types

package
v0.30.0-dev0 Latest Latest
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 Go to latest Published: Jan 22, 2019 License: Apache-2.0 Imports: 29 Imported by: 45,828

Documentation

Overview

nolint

Index

Constants

View Source 
const (
	// AddrLen defines a valid address length
	AddrLen = 20

	// Bech32PrefixAccAddr defines the Bech32 prefix of an account's address
	Bech32PrefixAccAddr = "cosmos"
	// Bech32PrefixAccPub defines the Bech32 prefix of an account's public key
	Bech32PrefixAccPub = "cosmospub"
	// Bech32PrefixValAddr defines the Bech32 prefix of a validator's operator address
	Bech32PrefixValAddr = "cosmosvaloper"
	// Bech32PrefixValPub defines the Bech32 prefix of a validator's operator public key
	Bech32PrefixValPub = "cosmosvaloperpub"
	// Bech32PrefixConsAddr defines the Bech32 prefix of a consensus node address
	Bech32PrefixConsAddr = "cosmosvalcons"
	// Bech32PrefixConsPub defines the Bech32 prefix of a consensus node public key
	Bech32PrefixConsPub = "cosmosvalconspub"
)
View Source 
const (
	Precision = 18

	// bytes required to represent the above precision
	// Ceiling[Log2[999 999 999 999 999 999]]
	DecimalPrecisionBits = 60
)

number of decimal places

View Source 
const (
	// Base error codes
	CodeOK                CodeType = 0
	CodeInternal          CodeType = 1
	CodeTxDecode          CodeType = 2
	CodeInvalidSequence   CodeType = 3
	CodeUnauthorized      CodeType = 4
	CodeInsufficientFunds CodeType = 5
	CodeUnknownRequest    CodeType = 6
	CodeInvalidAddress    CodeType = 7
	CodeInvalidPubKey     CodeType = 8
	CodeUnknownAddress    CodeType = 9
	CodeInsufficientCoins CodeType = 10
	CodeInvalidCoins      CodeType = 11
	CodeOutOfGas          CodeType = 12
	CodeMemoTooLarge      CodeType = 13
	CodeInsufficientFee   CodeType = 14
	CodeTooManySignatures CodeType = 15
	CodeGasOverflow       CodeType = 16
	CodeNoSignatures      CodeType = 17

	// CodespaceRoot is a codespace for error codes in this file only.
	// Notice that 0 is an "unset" codespace, which can be overridden with
	// Error.WithDefaultCodespace().
	CodespaceUndefined CodespaceType = ""
	CodespaceRoot      CodespaceType = "sdk"
)

SDK error codes

View Source 
const (
	GasIterNextCostFlatDesc = "IterNextFlat"
	GasValuePerByteDesc     = "ValuePerByte"
	GasWritePerByteDesc     = "WritePerByte"
	GasReadPerByteDesc      = "ReadPerByte"
	GasWriteCostFlatDesc    = "WriteFlat"
	GasReadCostFlatDesc     = "ReadFlat"
	GasHasDesc              = "Has"
	GasDeleteDesc           = "Delete"
)

Gas consumption descriptors.

View Source 
const SortableTimeFormat = "2006-01-02T15:04:05.000000000"

Slight modification of the RFC3339Nano but it right pads all zeros and drops the time zone info

Variables

View Source 
var (
	TagAction       = "action"
	TagSrcValidator = "source-validator"
	TagDstValidator = "destination-validator"
	TagDelegator    = "delegator"
)

common tags

Functions

func ABCIValidator added in v0.18.0 

func ABCIValidator(v Validator) abci.Validator

validator which fulfills abci validator interface for use in Tendermint

func AddUint64Overflow added in v0.27.0 

func AddUint64Overflow(a, b uint64) (uint64, bool)

AddUint64Overflow performs the addition operation on two uint64 integers and returns a boolean on whether or not the result overflows.

func AppendMsgToErr added in v0.25.0 

func AppendMsgToErr(msg string, err string) string

appends a message to the head of the given error

func Bech32ifyAccPub added in v0.18.0 

func Bech32ifyAccPub(pub crypto.PubKey) (string, error)

Bech32ifyAccPub returns a Bech32 encoded string containing the Bech32PrefixAccPub prefix for a given account PubKey.

func Bech32ifyConsPub added in v0.25.0 

func Bech32ifyConsPub(pub crypto.PubKey) (string, error)

Bech32ifyConsPub returns a Bech32 encoded string containing the Bech32PrefixConsPub prefixfor a given consensus node's PubKey.

func Bech32ifyValPub added in v0.18.0 

func Bech32ifyValPub(pub crypto.PubKey) (string, error)

Bech32ifyValPub returns a Bech32 encoded string containing the Bech32PrefixValPub prefix for a given validator operator's PubKey.

func BondStatusToString added in v0.18.0 

func BondStatusToString(b BondStatus) string

BondStatusToString for pretty prints of Bond Status

func CodeToDefaultMsg added in v0.2.0 

func CodeToDefaultMsg(code CodeType) string

NOTE: Don't stringer this, we'll put better messages in later.

func DecEq 

func DecEq(t *testing.T, exp, got Dec) (*testing.T, bool, string, string, string)

intended to be used with require/assert: require.True(DecEq(...))

func DecsEqual 

func DecsEqual(d1s, d2s []Dec) bool

test if two decimal arrays are equal

func DiffKVStores 

func DiffKVStores(a KVStore, b KVStore, prefixesToSkip [][]byte) (kvA cmn.KVPair, kvB cmn.KVPair, count int64, equal bool)

Compare two KVstores, return either the first key/value pair at which they differ and whether or not they are equal, skipping value comparison for a set of provided prefixes

func FormatTimeBytes 

func FormatTimeBytes(t time.Time) []byte

Formats a time.Time into a []byte that can be sorted

func GetAccPubKeyBech32 added in v0.19.0 

func GetAccPubKeyBech32(pubkey string) (pk crypto.PubKey, err error)

GetAccPubKeyBech32 creates a PubKey for an account with a given public key string using the Bech32 Bech32PrefixAccPub prefix.

func GetConsPubKeyBech32 added in v0.25.0 

func GetConsPubKeyBech32(pubkey string) (pk crypto.PubKey, err error)

GetConsPubKeyBech32 creates a PubKey for a consensus node with a given public key string using the Bech32 Bech32PrefixConsPub prefix.

func GetFromBech32 

func GetFromBech32(bech32str, prefix string) ([]byte, error)

GetFromBech32 decodes a bytestring from a Bech32 encoded string.

func GetValPubKeyBech32 added in v0.18.0 

func GetValPubKeyBech32(pubkey string) (pk crypto.PubKey, err error)

GetValPubKeyBech32 creates a PubKey for a validator's operator with a given public key string using the Bech32 Bech32PrefixValPub prefix.

func InclusiveEndBytes 

func InclusiveEndBytes(inclusiveBytes []byte) (exclusiveBytes []byte)

InclusiveEndBytes returns the []byte that would end a range query such that the input would be included

func IntEq 

func IntEq(t *testing.T, exp, got Int) (*testing.T, bool, string, string, string)

intended to be used with require/assert: require.True(IntEq(...))

func MustBech32ifyAccPub added in v0.19.0 

func MustBech32ifyAccPub(pub crypto.PubKey) string

MustBech32ifyAccPub returns the result of Bech32ifyAccPub panicing on failure.

func MustBech32ifyConsPub added in v0.25.0 

func MustBech32ifyConsPub(pub crypto.PubKey) string

MustBech32ifyConsPub returns the result of Bech32ifyConsPub panicing on failure.

func MustBech32ifyValPub added in v0.19.0 

func MustBech32ifyValPub(pub crypto.PubKey) string

MustBech32ifyValPub returns the result of Bech32ifyValPub panicing on failure.

func MustGetAccPubKeyBech32 added in v0.20.0 

func MustGetAccPubKeyBech32(pubkey string) (pk crypto.PubKey)

MustGetAccPubKeyBech32 returns the result of GetAccPubKeyBech32 panicing on failure.

func MustGetConsPubKeyBech32 added in v0.25.0 

func MustGetConsPubKeyBech32(pubkey string) (pk crypto.PubKey)

MustGetConsPubKeyBech32 returns the result of GetConsPubKeyBech32 panicing on failure.

func MustGetValPubKeyBech32 added in v0.20.0 

func MustGetValPubKeyBech32(pubkey string) (pk crypto.PubKey)

MustGetValPubKeyBech32 returns the result of GetValPubKeyBech32 panicing on failure.

func MustSortJSON 

func MustSortJSON(toSortJSON []byte) []byte

MustSortJSON is like SortJSON but panic if an error occurs, e.g., if the passed JSON isn't valid.

func NewDecFromStr 

func NewDecFromStr(str string) (d Dec, err Error)

create a decimal from an input decimal string. valid must come in the form: 

(-) whole integers (.) decimal integers

examples of acceptable input include: 

-123.456
456.7890
345
-456789

NOTE - An error will return if more decimal places are provided in the string than the constant Precision.

CONTRACT - This function does not mutate the input str.

func ParseTimeBytes 

func ParseTimeBytes(bz []byte) (time.Time, error)

Parses a []byte encoded using FormatTimeKey back into a time.Time

func PrefixEndBytes 

func PrefixEndBytes(prefix []byte) []byte

PrefixEndBytes returns the []byte that would end a range query for all []byte with a certain prefix Deals with last byte of prefix being FF without overflowing

func RegisterCodec 

func RegisterCodec(cdc *codec.Codec)

Register the sdk message type

func SortJSON 

func SortJSON(toSortJSON []byte) ([]byte, error)

SortedJSON takes any JSON and returns it sorted by keys. Also, all white-spaces are removed. This method can be used to canonicalize JSON to be returned by GetSignBytes, e.g. for the ledger integration. If the passed JSON isn't valid it will return an error.

func Uint64ToBigEndian 

func Uint64ToBigEndian(i uint64) []byte

Uint64ToBigEndian - marshals uint64 to a bigendian byte slice so it can be sorted

func UintOverflow 

func UintOverflow(x Uint) bool

UintOverflow returns true if a given unsigned integer overflows and false otherwise.

Types

type AccAddress 

type AccAddress []byte

AccAddress a wrapper around bytes meant to represent an account address. When marshaled to a string or JSON, it uses Bech32.

func AccAddressFromBech32 

func AccAddressFromBech32(address string) (addr AccAddress, err error)

AccAddressFromBech32 creates an AccAddress from a Bech32 string.

func AccAddressFromHex 

func AccAddressFromHex(address string) (addr AccAddress, err error)

AccAddressFromHex creates an AccAddress from a hex string.

func (AccAddress) Bytes 

func (aa AccAddress) Bytes() []byte

Bytes returns the raw address bytes.

func (AccAddress) Empty 

func (aa AccAddress) Empty() bool

Returns boolean for whether an AccAddress is empty

func (AccAddress) Equals 

func (aa AccAddress) Equals(aa2 Address) bool

Returns boolean for whether two AccAddresses are Equal

func (AccAddress) Format 

func (aa AccAddress) Format(s fmt.State, verb rune)

Format implements the fmt.Formatter interface. nolint: errcheck

func (AccAddress) Marshal 

func (aa AccAddress) Marshal() ([]byte, error)

Marshal returns the raw address bytes. It is needed for protobuf compatibility.

func (AccAddress) MarshalJSON 

func (aa AccAddress) MarshalJSON() ([]byte, error)

MarshalJSON marshals to JSON using Bech32.

func (AccAddress) String 

func (aa AccAddress) String() string

String implements the Stringer interface.

func (*AccAddress) Unmarshal 

func (aa *AccAddress) Unmarshal(data []byte) error

Unmarshal sets the address to the given data. It is needed for protobuf compatibility.

func (*AccAddress) UnmarshalJSON 

func (aa *AccAddress) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals from JSON assuming Bech32 encoding.

type Address 

type Address interface {
	Equals(Address) bool
	Empty() bool
	Marshal() ([]byte, error)
	MarshalJSON() ([]byte, error)
	Bytes() []byte
	String() string
	Format(s fmt.State, verb rune)
}

Address is a common interface for different types of addresses used by the SDK

type AnteHandler 

type AnteHandler func(ctx Context, tx Tx, simulate bool) (newCtx Context, result Result, abort bool)

AnteHandler authenticates transactions, before their internal messages are handled. If newCtx.IsZero(), ctx is used instead.

type BeginBlocker 

type BeginBlocker func(ctx Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock

run code before the transactions in a block

type BondStatus 

type BondStatus byte

status of a validator 

const (
	Unbonded  BondStatus = 0x00
	Unbonding BondStatus = 0x01
	Bonded    BondStatus = 0x02
)

nolint

func (BondStatus) Equal 

func (b BondStatus) Equal(b2 BondStatus) bool

nolint

type CacheKVStore 

type CacheKVStore interface {
	KVStore

	// Writes operations to underlying KVStore
	Write()
}

CacheKVStore cache-wraps a KVStore. After calling .Write() on the CacheKVStore, all previously created CacheKVStores on the object expire.

type CacheMultiStore 

type CacheMultiStore interface {
	MultiStore
	Write() // Writes operations to underlying KVStore
}

From MultiStore.CacheMultiStore()....

type CacheWrap 

type CacheWrap interface {
	// Write syncs with the underlying store.
	Write()

	// CacheWrap recursively wraps again.
	CacheWrap() CacheWrap

	// CacheWrapWithTrace recursively wraps again with tracing enabled.
	CacheWrapWithTrace(w io.Writer, tc TraceContext) CacheWrap
}

CacheWrap makes the most appropriate cache-wrap. For example, IAVLStore.CacheWrap() returns a CacheKVStore. CacheWrap should not return a Committer, since Commit cache-wraps make no sense. It can return KVStore, HeapStore, SpaceStore, etc.

type CacheWrapper 

type CacheWrapper interface {
	// CacheWrap cache wraps.
	CacheWrap() CacheWrap

	// CacheWrapWithTrace cache wraps with tracing enabled.
	CacheWrapWithTrace(w io.Writer, tc TraceContext) CacheWrap
}

type CodeType added in v0.2.0 

type CodeType uint32

CodeType - ABCI code identifier within codespace

func (CodeType) IsOK added in v0.2.0 

func (code CodeType) IsOK() bool

IsOK - is everything okay?

type CodespaceType added in v0.16.0 

type CodespaceType string

CodespaceType - codespace identifier

type Coin 

type Coin struct {
	Denom string `json:"denom"`

	// To allow the use of unsigned integers (see: #1273) a larger refactor will
	// need to be made. So we use signed integers for now with safety measures in
	// place preventing negative values being used.
	Amount Int `json:"amount"`
}

Coin hold some amount of one currency.

CONTRACT: A coin will never hold a negative amount of any denomination.

TODO: Make field members private for further safety.

func NewCoin 

func NewCoin(denom string, amount Int) Coin

NewCoin returns a new coin with a denomination and amount. It will panic if the amount is negative.

func NewInt64Coin 

func NewInt64Coin(denom string, amount int64) Coin

NewInt64Coin returns a new coin with a denomination and amount. It will panic if the amount is negative.

func ParseCoin 

func ParseCoin(coinStr string) (coin Coin, err error)

ParseCoin parses a cli input for one coin type, returning errors if invalid. This returns an error on an empty string as well.

func (Coin) IsEqual 

func (coin Coin) IsEqual(other Coin) bool

IsEqual returns true if the two sets of Coins have the same value

func (Coin) IsGTE 

func (coin Coin) IsGTE(other Coin) bool

IsGTE returns true if they are the same type and the receiver is an equal or greater value

func (Coin) IsLT 

func (coin Coin) IsLT(other Coin) bool

IsLT returns true if they are the same type and the receiver is a smaller value

func (Coin) IsNegative 

func (coin Coin) IsNegative() bool

IsNegative returns true if the coin amount is negative and false otherwise.

TODO: Remove once unsigned integers are used.

func (Coin) IsPositive 

func (coin Coin) IsPositive() bool

IsPositive returns true if coin amount is positive.

TODO: Remove once unsigned integers are used.

func (Coin) IsZero 

func (coin Coin) IsZero() bool

IsZero returns if this represents no money

func (Coin) Minus added in v0.2.0 

func (coin Coin) Minus(coinB Coin) Coin

Subtracts amounts of two coins with same denom. If the coins differ in denom then it panics.

func (Coin) Plus added in v0.2.0 

func (coin Coin) Plus(coinB Coin) Coin

Adds amounts of two coins with same denom. If the coins differ in denom then it panics.

func (Coin) SameDenomAs added in v0.2.0 

func (coin Coin) SameDenomAs(other Coin) bool

SameDenomAs returns true if the two coins are the same denom

func (Coin) String 

func (coin Coin) String() string

String provides a human-readable representation of a coin

type Coins 

type Coins []Coin

Coins is a set of Coin, one per currency

func ParseCoins 

func ParseCoins(coinsStr string) (coins Coins, err error)

ParseCoins will parse out a list of coins separated by commas. If nothing is provided, it returns nil Coins. Returned coins are sorted.

func (Coins) AmountOf 

func (coins Coins) AmountOf(denom string) Int

Returns the amount of a denom from coins

func (Coins) Empty 

func (coins Coins) Empty() bool

Empty returns true if there are no coins and false otherwise.

func (Coins) IsAllGT 

func (coins Coins) IsAllGT(coinsB Coins) bool

IsAllGT returns true if for every denom in coins, the denom is present at a greater amount in coinsB.

func (Coins) IsAllGTE 

func (coins Coins) IsAllGTE(coinsB Coins) bool

IsAllGTE returns true iff for every denom in coins, the denom is present at an equal or greater amount in coinsB.

func (Coins) IsAllLT 

func (coins Coins) IsAllLT(coinsB Coins) bool

IsAllLT returns True iff for every denom in coins, the denom is present at a smaller amount in coinsB.

func (Coins) IsAllLTE 

func (coins Coins) IsAllLTE(coinsB Coins) bool

IsAllLTE returns true iff for every denom in coins, the denom is present at a smaller or equal amount in coinsB.

func (Coins) IsEqual 

func (coins Coins) IsEqual(coinsB Coins) bool

IsEqual returns true if the two sets of Coins have the same value

func (Coins) IsNotNegative added in v0.2.0 

func (coins Coins) IsNotNegative() bool

IsNotNegative returns true if there is no coin amount with a negative value (even no coins is true here).

TODO: Remove once unsigned integers are used.

func (Coins) IsPositive added in v0.2.0 

func (coins Coins) IsPositive() bool

IsPositive returns true if there is at least one coin and all currencies have a positive value.

TODO: Remove once unsigned integers are used.

func (Coins) IsValid 

func (coins Coins) IsValid() bool

IsValid asserts the Coins are sorted, have positive amount, and Denom does not contain upper case characters.

func (Coins) IsZero 

func (coins Coins) IsZero() bool

IsZero returns true if there are no coins or all coins are zero.

func (Coins) Len 

func (coins Coins) Len() int

nolint

func (Coins) Less 

func (coins Coins) Less(i, j int) bool

func (Coins) Minus added in v0.2.0 

func (coins Coins) Minus(coinsB Coins) Coins

Minus subtracts a set of coins from another.

e.g. {2A, 3B} - {A} = {A, 3B} {2A} - {0B} = {2A} {A, B} - {A} = {B}

CONTRACT: Minus will never return Coins where one Coin has a non-positive amount. In otherwords, IsValid will always return true.

func (Coins) Plus added in v0.2.0 

func (coins Coins) Plus(coinsB Coins) Coins

Plus adds two sets of coins.

e.g. {2A} + {A, 2B} = {3A, 2B} {2A} + {0B} = {2A}

NOTE: Plus operates under the invariant that coins are sorted by denominations.

CONTRACT: Plus will never return Coins where one Coin has a non-positive amount. In otherwords, IsValid will always return true.

func (Coins) SafeMinus added in v0.27.0 

func (coins Coins) SafeMinus(coinsB Coins) (Coins, bool)

SafeMinus performs the same arithmetic as Minus but returns a boolean if any negative coin amount was returned.

func (Coins) Sort 

func (coins Coins) Sort() Coins

Sort is a helper function to sort the set of coins inplace

func (Coins) String 

func (coins Coins) String() string

func (Coins) Swap 

func (coins Coins) Swap(i, j int)

type CommitID 

type CommitID struct {
	Version int64
	Hash    []byte
}

CommitID contains the tree version number and its merkle root.

func (CommitID) IsZero added in v0.2.0 

func (cid CommitID) IsZero() bool

func (CommitID) String added in v0.2.0 

func (cid CommitID) String() string

type CommitKVStore 

type CommitKVStore interface {
	Committer
	KVStore
}

Stores of MultiStore must implement CommitStore.

type CommitMultiStore 

type CommitMultiStore interface {
	Committer
	MultiStore

	// Mount a store of type using the given db.
	// If db == nil, the new store will use the CommitMultiStore db.
	MountStoreWithDB(key StoreKey, typ StoreType, db dbm.DB)

	// Panics on a nil key.
	GetCommitStore(key StoreKey) CommitStore

	// Panics on a nil key.
	GetCommitKVStore(key StoreKey) CommitKVStore

	// Load the latest persisted version.  Called once after all
	// calls to Mount*Store() are complete.
	LoadLatestVersion() error

	// Load a specific persisted version.  When you load an old
	// version, or when the last commit attempt didn't complete,
	// the next commit after loading must be idempotent (return the
	// same commit id).  Otherwise the behavior is undefined.
	LoadVersion(ver int64) error
}

A non-cache MultiStore.

type CommitStore 

type CommitStore interface {
	Committer
	Store
}

Stores of MultiStore must implement CommitStore.

type Committer 

type Committer interface {
	Commit() CommitID
	LastCommitID() CommitID
	SetPruning(PruningOptions)
}

something that can persist to disk

type Config 

type Config struct {
	// contains filtered or unexported fields
}

Config is the structure that holds the SDK configuration parameters. This could be used to initialize certain configuration parameters for the SDK.

func GetConfig 

func GetConfig() *Config

GetConfig returns the config instance for the SDK.

func (*Config) GetBech32AccountAddrPrefix 

func (config *Config) GetBech32AccountAddrPrefix() string

GetBech32AccountAddrPrefix returns the Bech32 prefix for account address

func (*Config) GetBech32AccountPubPrefix 

func (config *Config) GetBech32AccountPubPrefix() string

GetBech32AccountPubPrefix returns the Bech32 prefix for account public key

func (*Config) GetBech32ConsensusAddrPrefix 

func (config *Config) GetBech32ConsensusAddrPrefix() string

GetBech32ConsensusAddrPrefix returns the Bech32 prefix for consensus node address

func (*Config) GetBech32ConsensusPubPrefix 

func (config *Config) GetBech32ConsensusPubPrefix() string

GetBech32ConsensusPubPrefix returns the Bech32 prefix for consensus node public key

func (*Config) GetBech32ValidatorAddrPrefix 

func (config *Config) GetBech32ValidatorAddrPrefix() string

GetBech32ValidatorAddrPrefix returns the Bech32 prefix for validator address

func (*Config) GetBech32ValidatorPubPrefix 

func (config *Config) GetBech32ValidatorPubPrefix() string

GetBech32ValidatorPubPrefix returns the Bech32 prefix for validator public key

func (*Config) GetTxEncoder 

func (config *Config) GetTxEncoder() TxEncoder

GetTxEncoder return function to encode transactions

func (*Config) Seal 

func (config *Config) Seal() *Config

Seal seals the config such that the config state could not be modified further

func (*Config) SetBech32PrefixForAccount 

func (config *Config) SetBech32PrefixForAccount(addressPrefix, pubKeyPrefix string)

SetBech32PrefixForAccount builds the Config with Bech32 addressPrefix and publKeyPrefix for accounts and returns the config instance

func (*Config) SetBech32PrefixForConsensusNode 

func (config *Config) SetBech32PrefixForConsensusNode(addressPrefix, pubKeyPrefix string)

SetBech32PrefixForConsensusNode builds the Config with Bech32 addressPrefix and publKeyPrefix for consensus nodes and returns the config instance

func (*Config) SetBech32PrefixForValidator 

func (config *Config) SetBech32PrefixForValidator(addressPrefix, pubKeyPrefix string)

SetBech32PrefixForValidator builds the Config with Bech32 addressPrefix and publKeyPrefix for validators 

and returns the config instance

func (*Config) SetTxEncoder 

func (config *Config) SetTxEncoder(encoder TxEncoder)

SetTxEncoder builds the Config with TxEncoder used to marshal StdTx to bytes

type ConsAddress 

type ConsAddress []byte

ConsAddress defines a wrapper around bytes meant to present a consensus node. When marshaled to a string or JSON, it uses Bech32.

func ConsAddressFromBech32 

func ConsAddressFromBech32(address string) (addr ConsAddress, err error)

ConsAddressFromBech32 creates a ConsAddress from a Bech32 string.

func ConsAddressFromHex 

func ConsAddressFromHex(address string) (addr ConsAddress, err error)

ConsAddressFromHex creates a ConsAddress from a hex string.

func GetConsAddress 

func GetConsAddress(pubkey crypto.PubKey) ConsAddress

get ConsAddress from pubkey

func (ConsAddress) Bytes 

func (ca ConsAddress) Bytes() []byte

Bytes returns the raw address bytes.

func (ConsAddress) Empty 

func (ca ConsAddress) Empty() bool

Returns boolean for whether an ConsAddress is empty

func (ConsAddress) Equals 

func (ca ConsAddress) Equals(ca2 Address) bool

Returns boolean for whether two ConsAddress are Equal

func (ConsAddress) Format 

func (ca ConsAddress) Format(s fmt.State, verb rune)

Format implements the fmt.Formatter interface. nolint: errcheck

func (ConsAddress) Marshal 

func (ca ConsAddress) Marshal() ([]byte, error)

Marshal returns the raw address bytes. It is needed for protobuf compatibility.

func (ConsAddress) MarshalJSON 

func (ca ConsAddress) MarshalJSON() ([]byte, error)

MarshalJSON marshals to JSON using Bech32.

func (ConsAddress) String 

func (ca ConsAddress) String() string

String implements the Stringer interface.

func (*ConsAddress) Unmarshal 

func (ca *ConsAddress) Unmarshal(data []byte) error

Unmarshal sets the address to the given data. It is needed for protobuf compatibility.

func (*ConsAddress) UnmarshalJSON 

func (ca *ConsAddress) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals from JSON assuming Bech32 encoding.

type Context 

type Context struct {
	context.Context
	// contains filtered or unexported fields
}

The intent of Context is for it to be an immutable object that can be cloned and updated cheaply with WithValue() and passed forward to the next decorator or handler. For example, 

func MsgHandler(ctx Context, tx Tx) Result {
	...
	ctx = ctx.WithValue(key, value)
	...
}

func NewContext 

func NewContext(ms MultiStore, header abci.Header, isCheckTx bool, logger log.Logger) Context

create a new context

func (Context) BlockGasMeter 

func (c Context) BlockGasMeter() GasMeter

func (Context) BlockHeader 

func (c Context) BlockHeader() abci.Header

func (Context) BlockHeight 

func (c Context) BlockHeight() int64

func (Context) CacheContext 

func (c Context) CacheContext() (cc Context, writeCache func())

Cache the multistore and return a new cached context. The cached context is written to the context when writeCache is called.

func (Context) ChainID 

func (c Context) ChainID() string

func (Context) ConsensusParams 

func (c Context) ConsensusParams() *abci.ConsensusParams

func (Context) GasMeter 

func (c Context) GasMeter() GasMeter

func (Context) GetOp added in v0.2.0 

func (c Context) GetOp(ver int64) (Op, bool)

Returns false if ver <= 0 || ver > len(c.pst.ops). The first operation is version 1.

func (Context) IsCheckTx 

func (c Context) IsCheckTx() bool

func (Context) IsZero 

func (c Context) IsZero() bool

is context nil

func (Context) KVStore 

func (c Context) KVStore(key StoreKey) KVStore

KVStore fetches a KVStore from the MultiStore.

func (Context) Logger 

func (c Context) Logger() log.Logger

func (Context) MinGasPrices 

func (c Context) MinGasPrices() DecCoins

func (Context) MultiStore 

func (c Context) MultiStore() MultiStore

func (Context) TransientStore 

func (c Context) TransientStore(key StoreKey) KVStore

TransientStore fetches a TransientStore from the MultiStore.

func (Context) TxBytes 

func (c Context) TxBytes() []byte

func (Context) Value 

func (c Context) Value(key interface{}) interface{}

context value for the provided key

func (Context) VoteInfos 

func (c Context) VoteInfos() []abci.VoteInfo

func (Context) WithBlockGasMeter 

func (c Context) WithBlockGasMeter(meter GasMeter) Context

func (Context) WithBlockHeader 

func (c Context) WithBlockHeader(header abci.Header) Context

func (Context) WithBlockHeight 

func (c Context) WithBlockHeight(height int64) Context

func (Context) WithBlockTime 

func (c Context) WithBlockTime(newTime time.Time) Context

func (Context) WithCacheWrapper added in v0.2.0 

func (c Context) WithCacheWrapper(key interface{}, value CacheWrapper) Context

func (Context) WithChainID 

func (c Context) WithChainID(chainID string) Context

func (Context) WithCloner added in v0.2.0 

func (c Context) WithCloner(key interface{}, value cloner) Context

func (Context) WithConsensusParams 

func (c Context) WithConsensusParams(params *abci.ConsensusParams) Context

func (Context) WithGasMeter 

func (c Context) WithGasMeter(meter GasMeter) Context

func (Context) WithInt32 added in v0.2.0 

func (c Context) WithInt32(key interface{}, value int32) Context

func (Context) WithIsCheckTx 

func (c Context) WithIsCheckTx(isCheckTx bool) Context

func (Context) WithLogger 

func (c Context) WithLogger(logger log.Logger) Context

func (Context) WithMinGasPrices 

func (c Context) WithMinGasPrices(gasPrices DecCoins) Context

func (Context) WithMultiStore 

func (c Context) WithMultiStore(ms MultiStore) Context

func (Context) WithProposer 

func (c Context) WithProposer(addr ConsAddress) Context

func (Context) WithProtoMsg added in v0.2.0 

func (c Context) WithProtoMsg(key interface{}, value proto.Message) Context

func (Context) WithString added in v0.2.0 

func (c Context) WithString(key interface{}, value string) Context

func (Context) WithTxBytes 

func (c Context) WithTxBytes(txBytes []byte) Context

func (Context) WithUint32 added in v0.2.0 

func (c Context) WithUint32(key interface{}, value uint32) Context

func (Context) WithUint64 added in v0.2.0 

func (c Context) WithUint64(key interface{}, value uint64) Context

func (Context) WithValue 

func (c Context) WithValue(key interface{}, value interface{}) Context

nolint

func (Context) WithVoteInfos 

func (c Context) WithVoteInfos(VoteInfos []abci.VoteInfo) Context

type Dec 

type Dec struct {
	*big.Int `json:"int"`
}

NOTE: never use new(Dec) or else we will panic unmarshalling into the nil embedded big.Int

func MaxDec 

func MaxDec(d1, d2 Dec) Dec

maximum decimal between two

func MinDec 

func MinDec(d1, d2 Dec) Dec

minimum decimal between two

func MustNewDecFromStr 

func MustNewDecFromStr(s string) Dec

Decimal from string, panic on error

func NewDec 

func NewDec(i int64) Dec

create a new Dec from integer assuming whole number

func NewDecFromBigInt 

func NewDecFromBigInt(i *big.Int) Dec

create a new Dec from big integer assuming whole numbers CONTRACT: prec <= Precision

func NewDecFromBigIntWithPrec 

func NewDecFromBigIntWithPrec(i *big.Int, prec int64) Dec

create a new Dec from big integer assuming whole numbers CONTRACT: prec <= Precision

func NewDecFromInt 

func NewDecFromInt(i Int) Dec

create a new Dec from big integer assuming whole numbers CONTRACT: prec <= Precision

func NewDecFromIntWithPrec 

func NewDecFromIntWithPrec(i Int, prec int64) Dec

create a new Dec from big integer with decimal place at prec CONTRACT: prec <= Precision

func NewDecWithPrec 

func NewDecWithPrec(i, prec int64) Dec

create a new Dec from integer with decimal place at prec CONTRACT: prec <= Precision

func OneDec 

func OneDec() Dec

func ZeroDec 

func ZeroDec() Dec

nolint - common values

func (Dec) Abs 

func (d Dec) Abs() Dec

func (Dec) Add 

func (d Dec) Add(d2 Dec) Dec

addition

func (Dec) Ceil 

func (d Dec) Ceil() Dec

Ceil returns the smallest interger value (as a decimal) that is greater than or equal to the given decimal.

func (Dec) Equal 

func (d Dec) Equal(d2 Dec) bool

func (Dec) Format 

func (d Dec) Format(s fmt.State, verb rune)

format decimal state

func (Dec) GT 

func (d Dec) GT(d2 Dec) bool

func (Dec) GTE 

func (d Dec) GTE(d2 Dec) bool

func (Dec) IsInteger 

func (d Dec) IsInteger() bool

is integer, e.g. decimals are zero

func (Dec) IsNegative 

func (d Dec) IsNegative() bool

func (Dec) IsNil 

func (d Dec) IsNil() bool

______________________________________________________________________________________________ nolint

func (Dec) IsPositive 

func (d Dec) IsPositive() bool

func (Dec) IsZero 

func (d Dec) IsZero() bool

func (Dec) LT 

func (d Dec) LT(d2 Dec) bool

func (Dec) LTE 

func (d Dec) LTE(d2 Dec) bool

func (Dec) MarshalAmino 

func (d Dec) MarshalAmino() (string, error)

wraps d.MarshalText()

func (Dec) MarshalJSON 

func (d Dec) MarshalJSON() ([]byte, error)

MarshalJSON marshals the decimal

func (Dec) Mul 

func (d Dec) Mul(d2 Dec) Dec

multiplication

func (Dec) MulInt 

func (d Dec) MulInt(i Int) Dec

multiplication

func (Dec) Neg 

func (d Dec) Neg() Dec

func (Dec) Quo 

func (d Dec) Quo(d2 Dec) Dec

quotient

func (Dec) QuoInt 

func (d Dec) QuoInt(i Int) Dec

quotient

func (Dec) RoundInt 

func (d Dec) RoundInt() Int

RoundInt round the decimal using bankers rounding

func (Dec) RoundInt64 

func (d Dec) RoundInt64() int64

RoundInt64 rounds the decimal using bankers rounding

func (Dec) String 

func (d Dec) String() string

func (Dec) Sub 

func (d Dec) Sub(d2 Dec) Dec

subtraction

func (Dec) TruncateDec 

func (d Dec) TruncateDec() Dec

TruncateDec truncates the decimals from the number and returns a Dec

func (Dec) TruncateInt 

func (d Dec) TruncateInt() Int

TruncateInt truncates the decimals from the number and returns an Int

func (Dec) TruncateInt64 

func (d Dec) TruncateInt64() int64

TruncateInt64 truncates the decimals from the number and returns an int64

func (*Dec) UnmarshalAmino 

func (d *Dec) UnmarshalAmino(text string) (err error)

requires a valid JSON string - strings quotes and calls UnmarshalText

func (*Dec) UnmarshalJSON 

func (d *Dec) UnmarshalJSON(bz []byte) error

UnmarshalJSON defines custom decoding scheme

type DecCoin 

type DecCoin struct {
	Denom  string `json:"denom"`
	Amount Dec    `json:"amount"`
}

Coins which can have additional decimal points

func NewDecCoin 

func NewDecCoin(denom string, amount int64) DecCoin

func NewDecCoinFromCoin 

func NewDecCoinFromCoin(coin Coin) DecCoin

func NewDecCoinFromDec 

func NewDecCoinFromDec(denom string, amount Dec) DecCoin

func ParseDecCoin 

func ParseDecCoin(coinStr string) (coin DecCoin, err error)

ParseDecCoin parses a decimal coin from a string, returning an error if invalid. An empty string is considered invalid.

func (DecCoin) IsPositive 

func (coin DecCoin) IsPositive() bool

IsPositive returns true if coin amount is positive.

TODO: Remove once unsigned integers are used.

func (DecCoin) Minus added in v0.30.0 

func (coin DecCoin) Minus(coinB DecCoin) DecCoin

Subtracts amounts of two coins with same denom

func (DecCoin) Plus added in v0.30.0 

func (coin DecCoin) Plus(coinB DecCoin) DecCoin

Adds amounts of two coins with same denom

func (DecCoin) String 

func (coin DecCoin) String() string

String implements the Stringer interface for DecCoin. It returns a human-readable representation of a decimal coin.

func (DecCoin) TruncateDecimal 

func (coin DecCoin) TruncateDecimal() (Coin, DecCoin)

return the decimal coins with trunctated decimals, and return the change

type DecCoins 

type DecCoins []DecCoin

coins with decimal

func NewDecCoins 

func NewDecCoins(coins Coins) DecCoins

func ParseDecCoins 

func ParseDecCoins(coinsStr string) (coins DecCoins, err error)

ParseDecCoins will parse out a list of decimal coins separated by commas. If nothing is provided, it returns nil DecCoins. Returned decimal coins are sorted.

func (DecCoins) AmountOf 

func (coins DecCoins) AmountOf(denom string) Dec

returns the amount of a denom from deccoins

func (DecCoins) HasNegative added in v0.30.0 

func (coins DecCoins) HasNegative() bool

has a negative DecCoin amount

func (DecCoins) IsValid 

func (coins DecCoins) IsValid() bool

IsValid asserts the DecCoins are sorted, have positive amount, and Denom does not contain upper case characters.

func (DecCoins) IsZero 

func (coins DecCoins) IsZero() bool

return whether all coins are zero

func (DecCoins) Len 

func (coins DecCoins) Len() int

nolint

func (DecCoins) Less 

func (coins DecCoins) Less(i, j int) bool

func (DecCoins) Minus added in v0.30.0 

func (coins DecCoins) Minus(coinsB DecCoins) DecCoins

Minus subtracts a set of coins from another (adds the inverse)

func (DecCoins) MulDec 

func (coins DecCoins) MulDec(d Dec) DecCoins

multiply all the coins by a decimal

func (DecCoins) Negative added in v0.30.0 

func (coins DecCoins) Negative() DecCoins

Negative returns a set of coins with all amount negative

func (DecCoins) Plus added in v0.30.0 

func (coins DecCoins) Plus(coinsB DecCoins) DecCoins

Plus combines two sets of coins CONTRACT: Plus will never return Coins where one Coin has a 0 amount.

func (DecCoins) QuoDec 

func (coins DecCoins) QuoDec(d Dec) DecCoins

divide all the coins by a decimal

func (DecCoins) Sort 

func (coins DecCoins) Sort() DecCoins

Sort is a helper function to sort the set of decimal coins in-place.

func (DecCoins) String 

func (coins DecCoins) String() string

String implements the Stringer interface for DecCoins. It returns a human-readable representation of decimal coins.

func (DecCoins) Swap 

func (coins DecCoins) Swap(i, j int)

func (DecCoins) TruncateDecimal 

func (coins DecCoins) TruncateDecimal() (Coins, DecCoins)

return the coins with trunctated decimals, and return the change

type Delegation added in v0.18.0 

type Delegation interface {
	GetDelegatorAddr() AccAddress // delegator AccAddress for the bond
	GetValidatorAddr() ValAddress // validator operator address
	GetShares() Dec               // amount of validator's shares held in this delegation
}

delegation bond for a delegated proof of stake system

type DelegationSet added in v0.18.0 

type DelegationSet interface {
	GetValidatorSet() ValidatorSet // validator set for which delegation set is based upon

	// iterate through all delegations from one delegator by validator-AccAddress,
	//   execute func for each validator
	IterateDelegations(ctx Context, delegator AccAddress,
		fn func(index int64, delegation Delegation) (stop bool))
}

properties for the set of all delegations for a particular

type EndBlocker 

type EndBlocker func(ctx Context, req abci.RequestEndBlock) abci.ResponseEndBlock

run code after the transactions in a block and return updates to the validator set

type Error added in v0.2.0 

type Error interface {

	// convenience
	TraceSDK(format string, args ...interface{}) Error

	// set codespace
	WithDefaultCodespace(CodespaceType) Error

	Code() CodeType
	Codespace() CodespaceType
	ABCILog() string
	Result() Result
	QueryResult() abci.ResponseQuery
	// contains filtered or unexported methods
}

sdk Error type

func ErrGasOverflow added in v0.28.0 

func ErrGasOverflow(msg string) Error

func ErrInsufficientCoins added in v0.2.0 

func ErrInsufficientCoins(msg string) Error

func ErrInsufficientFee added in v0.25.0 

func ErrInsufficientFee(msg string) Error

func ErrInsufficientFunds added in v0.2.0 

func ErrInsufficientFunds(msg string) Error

func ErrInternal added in v0.2.0 

func ErrInternal(msg string) Error

nolint

func ErrInvalidAddress added in v0.2.0 

func ErrInvalidAddress(msg string) Error

func ErrInvalidCoins added in v0.2.0 

func ErrInvalidCoins(msg string) Error

func ErrInvalidPubKey added in v0.2.0 

func ErrInvalidPubKey(msg string) Error

func ErrInvalidSequence added in v0.2.0 

func ErrInvalidSequence(msg string) Error

func ErrMemoTooLarge added in v0.20.0 

func ErrMemoTooLarge(msg string) Error

func ErrNoSignatures added in v0.30.0 

func ErrNoSignatures(msg string) Error

func ErrOutOfGas added in v0.18.0 

func ErrOutOfGas(msg string) Error

func ErrTooManySignatures added in v0.27.0 

func ErrTooManySignatures(msg string) Error

func ErrTxDecode added in v0.2.0 

func ErrTxDecode(msg string) Error

func ErrUnauthorized added in v0.2.0 

func ErrUnauthorized(msg string) Error

func ErrUnknownAddress added in v0.2.0 

func ErrUnknownAddress(msg string) Error

func ErrUnknownRequest added in v0.2.0 

func ErrUnknownRequest(msg string) Error

func NewError added in v0.2.0 

func NewError(codespace CodespaceType, code CodeType, format string, args ...interface{}) Error

NewError - create an error.

type ErrorGasOverflow 

type ErrorGasOverflow struct {
	Descriptor string
}

ErrorGasOverflow defines an error thrown when an action results gas consumption unsigned integer overflow.

type ErrorOutOfGas 

type ErrorOutOfGas struct {
	Descriptor string
}

ErrorOutOfGas defines an error thrown when an action results in out of gas.

type Gas 

type Gas = uint64

Gas measured by the SDK

type GasConfig 

type GasConfig struct {
	HasCost          Gas
	DeleteCost       Gas
	ReadCostFlat     Gas
	ReadCostPerByte  Gas
	WriteCostFlat    Gas
	WriteCostPerByte Gas
	IterNextCostFlat Gas
}

GasConfig defines gas cost for each operation on KVStores

func KVGasConfig added in v0.25.0 

func KVGasConfig() GasConfig

KVGasConfig returns a default gas config for KVStores.

func TransientGasConfig added in v0.24.0 

func TransientGasConfig() GasConfig

TransientGasConfig returns a default gas config for TransientStores.

type GasMeter 

type GasMeter interface {
	GasConsumed() Gas
	GasConsumedToLimit() Gas
	Limit() Gas
	ConsumeGas(amount Gas, descriptor string)
	IsPastLimit() bool
	IsOutOfGas() bool
}

GasMeter interface to track gas consumption

func NewGasMeter 

func NewGasMeter(limit Gas) GasMeter

NewGasMeter returns a reference to a new basicGasMeter.

func NewInfiniteGasMeter 

func NewInfiniteGasMeter() GasMeter

NewInfiniteGasMeter returns a reference to a new infiniteGasMeter.

type Handler 

type Handler func(ctx Context, msg Msg) Result

Handler defines the core of the state transition function of an application.

type InitChainer 

type InitChainer func(ctx Context, req abci.RequestInitChain) abci.ResponseInitChain

initialize application state at genesis

type Int 

type Int struct {
	// contains filtered or unexported fields
}

Int wraps integer with 256 bit range bound Checks overflow, underflow and division by zero Exists in range from -(2^255-1) to 2^255-1

func MaxInt 

func MaxInt(i, i2 Int) Int

MaxInt returns the maximum between two integers.

func MinInt 

func MinInt(i1, i2 Int) Int

return the minimum of the ints

func NewInt 

func NewInt(n int64) Int

NewInt constructs Int from int64

func NewIntFromBigInt 

func NewIntFromBigInt(i *big.Int) Int

NewIntFromBigInt constructs Int from big.Int

func NewIntFromString 

func NewIntFromString(s string) (res Int, ok bool)

NewIntFromString constructs Int from string

func NewIntWithDecimal 

func NewIntWithDecimal(n int64, dec int) Int

NewIntWithDecimal constructs Int with decimal Result value is n*10^dec

func OneInt 

func OneInt() Int

OneInt returns Int value with one

func ZeroInt 

func ZeroInt() Int

ZeroInt returns Int value with zero

func (Int) Add 

func (i Int) Add(i2 Int) (res Int)

Add adds Int from another

func (Int) AddRaw 

func (i Int) AddRaw(i2 int64) Int

AddRaw adds int64 to Int

func (Int) BigInt 

func (i Int) BigInt() *big.Int

BigInt converts Int to big.Int

func (Int) Div added in v0.20.0 

func (i Int) Div(i2 Int) (res Int)

Div divides Int with Int

func (Int) DivRaw added in v0.20.0 

func (i Int) DivRaw(i2 int64) Int

DivRaw divides Int with int64

func (Int) Equal 

func (i Int) Equal(i2 Int) bool

Equal compares two Ints

func (Int) GT 

func (i Int) GT(i2 Int) bool

GT returns true if first Int is greater than second

func (Int) Int64 

func (i Int) Int64() int64

Int64 converts Int to int64 Panics if the value is out of range

func (Int) IsInt64 

func (i Int) IsInt64() bool

IsInt64 returns true if Int64() not panics

func (Int) IsNegative 

func (i Int) IsNegative() bool

IsNegative returns true if Int is negative

func (Int) IsPositive 

func (i Int) IsPositive() bool

IsPositive returns true if Int is positive

func (Int) IsZero 

func (i Int) IsZero() bool

IsZero returns true if Int is zero

func (Int) LT 

func (i Int) LT(i2 Int) bool

LT returns true if first Int is lesser than second

func (Int) MarshalAmino 

func (i Int) MarshalAmino() (string, error)

MarshalAmino defines custom encoding scheme

func (Int) MarshalJSON 

func (i Int) MarshalJSON() ([]byte, error)

MarshalJSON defines custom encoding scheme

func (Int) Mod 

func (i Int) Mod(i2 Int) Int

Mod returns remainder after dividing with Int

func (Int) ModRaw 

func (i Int) ModRaw(i2 int64) Int

ModRaw returns remainder after dividing with int64

func (Int) Mul 

func (i Int) Mul(i2 Int) (res Int)

Mul multiples two Ints

func (Int) MulRaw 

func (i Int) MulRaw(i2 int64) Int

MulRaw multipies Int and int64

func (Int) Neg 

func (i Int) Neg() (res Int)

Neg negates Int

func (Int) Sign 

func (i Int) Sign() int

Sign returns sign of Int

func (Int) String 

func (i Int) String() string

Human readable string

func (Int) Sub 

func (i Int) Sub(i2 Int) (res Int)

Sub subtracts Int from another

func (Int) SubRaw 

func (i Int) SubRaw(i2 int64) Int

SubRaw subtracts int64 from Int

func (*Int) UnmarshalAmino 

func (i *Int) UnmarshalAmino(text string) error

UnmarshalAmino defines custom decoding scheme

func (*Int) UnmarshalJSON 

func (i *Int) UnmarshalJSON(bz []byte) error

UnmarshalJSON defines custom decoding scheme

type Iterator 

type Iterator = dbm.Iterator

Alias iterator to db's Iterator for convenience.

func KVStorePrefixIterator 

func KVStorePrefixIterator(kvs KVStore, prefix []byte) Iterator

Iterator over all the keys with a certain prefix in ascending order

func KVStoreReversePrefixIterator 

func KVStoreReversePrefixIterator(kvs KVStore, prefix []byte) Iterator

Iterator over all the keys with a certain prefix in descending order.

type KVPair 

type KVPair cmn.KVPair

key-value result for iterator queries

type KVStore 

type KVStore interface {
	Store

	// Get returns nil iff key doesn't exist. Panics on nil key.
	Get(key []byte) []byte

	// Has checks if a key exists. Panics on nil key.
	Has(key []byte) bool

	// Set sets the key. Panics on nil key or value.
	Set(key, value []byte)

	// Delete deletes the key. Panics on nil key.
	Delete(key []byte)

	// Iterator over a domain of keys in ascending order. End is exclusive.
	// Start must be less than end, or the Iterator is invalid.
	// Iterator must be closed by caller.
	// To iterate over entire domain, use store.Iterator(nil, nil)
	// CONTRACT: No writes may happen within a domain while an iterator exists over it.
	Iterator(start, end []byte) Iterator

	// Iterator over a domain of keys in descending order. End is exclusive.
	// Start must be less than end, or the Iterator is invalid.
	// Iterator must be closed by caller.
	// CONTRACT: No writes may happen within a domain while an iterator exists over it.
	ReverseIterator(start, end []byte) Iterator

	// Prefix applied keys with the argument
	// CONTRACT: when Prefix is called on a KVStore more than once,
	// the concatanation of the prefixes is applied
	Prefix(prefix []byte) KVStore

	// Gas consuming store
	// CONTRACT: when Gas is called on a KVStore more than once,
	// the concatanation of the meters/configs is applied
	Gas(GasMeter, GasConfig) KVStore
}

KVStore is a simple interface to get/set data

type KVStoreKey 

type KVStoreKey struct {
	// contains filtered or unexported fields
}

KVStoreKey is used for accessing substores. Only the pointer value should ever be used - it functions as a capabilities key.

func NewKVStoreKey 

func NewKVStoreKey(name string) *KVStoreKey

NewKVStoreKey returns a new pointer to a KVStoreKey. Use a pointer so keys don't collide.

func (*KVStoreKey) Name added in v0.2.0 

func (key *KVStoreKey) Name() string

func (*KVStoreKey) String added in v0.2.0 

func (key *KVStoreKey) String() string

type ModuleClients added in v0.27.0 

type ModuleClients interface {
	GetQueryCmd() *cobra.Command
	GetTxCmd() *cobra.Command
}

ModuleClients helps modules provide a standard interface for exporting client functionality

type Msg 

type Msg interface {

	// Return the message type.
	// Must be alphanumeric or empty.
	Route() string

	// Returns a human-readable string for the message, intended for utilization
	// within tags
	Type() string

	// ValidateBasic does a simple validation check that
	// doesn't require access to any other information.
	ValidateBasic() Error

	// Get the canonical byte representation of the Msg.
	GetSignBytes() []byte

	// Signers returns the addrs of signers that must sign.
	// CONTRACT: All signatures must be present to be valid.
	// CONTRACT: Returns addrs in some deterministic order.
	GetSigners() []AccAddress
}

Transactions messages must fulfill the Msg

type MultiStore 

type MultiStore interface {
	Store

	// Cache wrap MultiStore.
	// NOTE: Caller should probably not call .Write() on each, but
	// call CacheMultiStore.Write().
	CacheMultiStore() CacheMultiStore

	// Convenience for fetching substores.
	// If the store does not exist, panics.
	GetStore(StoreKey) Store
	GetKVStore(StoreKey) KVStore

	// TracingEnabled returns if tracing is enabled for the MultiStore.
	TracingEnabled() bool

	// WithTracer sets the tracer for the MultiStore that the underlying
	// stores will utilize to trace operations. A MultiStore is returned.
	WithTracer(w io.Writer) MultiStore

	// WithTracingContext sets the tracing context for a MultiStore. It is
	// implied that the caller should update the context when necessary between
	// tracing operations. A MultiStore is returned.
	WithTracingContext(TraceContext) MultiStore

	// ResetTraceContext resets the current tracing context.
	ResetTraceContext() MultiStore
}

type Op added in v0.2.0 

type Op struct {
	// contains filtered or unexported fields
}

XXX add description

type PeerFilter 

type PeerFilter func(info string) abci.ResponseQuery

respond to p2p filtering queries from Tendermint

type PruningOptions 

type PruningOptions struct {
	// contains filtered or unexported fields
}

PruningStrategy specifies how old states will be deleted over time where keepRecent can be used with keepEvery to create a pruning "strategy".

func NewPruningOptions added in v0.30.0 

func NewPruningOptions(keepRecent, keepEvery int64) PruningOptions

func (PruningOptions) KeepEvery added in v0.30.0 

func (po PruningOptions) KeepEvery() int64

Keeps every N stated, deleting others.

func (PruningOptions) KeepRecent added in v0.30.0 

func (po PruningOptions) KeepRecent() int64

How much recent state will be kept. Older state will be deleted.

type Querier 

type Querier = func(ctx Context, path []string, req abci.RequestQuery) (res []byte, err Error)

Type for querier functions on keepers to implement to handle custom queries

type Queryable 

type Queryable interface {
	Query(abci.RequestQuery) abci.ResponseQuery
}

Queryable allows a Store to expose internal state to the abci.Query interface. Multistore can route requests to the proper Store.

This is an optional, but useful extension to any CommitStore

type Result 

type Result struct {

	// Code is the response code, is stored back on the chain.
	Code CodeType

	// Codespace is the string referring to the domain of an error
	Codespace CodespaceType

	// Data is any data returned from the app.
	Data []byte

	// Log is just debug information. NOTE: nondeterministic.
	Log string

	// GasWanted is the maximum units of work we allow this tx to perform.
	GasWanted uint64

	// GasUsed is the amount of gas actually consumed. NOTE: unimplemented
	GasUsed uint64

	// Tx fee amount and denom.
	FeeAmount int64
	FeeDenom  string

	// Tags are used for transaction indexing and pubsub.
	Tags Tags
}

Result is the union of ResponseDeliverTx and ResponseCheckTx.

func (Result) IsOK added in v0.2.0 

func (res Result) IsOK() bool

TODO: In the future, more codes may be OK.

type StakingHooks added in v0.25.0 

type StakingHooks interface {
	AfterValidatorCreated(ctx Context, valAddr ValAddress)                       // Must be called when a validator is created
	BeforeValidatorModified(ctx Context, valAddr ValAddress)                     // Must be called when a validator's state changes
	AfterValidatorRemoved(ctx Context, consAddr ConsAddress, valAddr ValAddress) // Must be called when a validator is deleted

	AfterValidatorBonded(ctx Context, consAddr ConsAddress, valAddr ValAddress)         // Must be called when a validator is bonded
	AfterValidatorBeginUnbonding(ctx Context, consAddr ConsAddress, valAddr ValAddress) // Must be called when a validator begins unbonding
	AfterValidatorPowerDidChange(ctx Context, consAddr ConsAddress, valAddr ValAddress) // Called at EndBlock when a validator's power did change

	BeforeDelegationCreated(ctx Context, delAddr AccAddress, valAddr ValAddress)        // Must be called when a delegation is created
	BeforeDelegationSharesModified(ctx Context, delAddr AccAddress, valAddr ValAddress) // Must be called when a delegation's shares are modified
	BeforeDelegationRemoved(ctx Context, delAddr AccAddress, valAddr ValAddress)        // Must be called when a delegation is removed
	AfterDelegationModified(ctx Context, delAddr AccAddress, valAddr ValAddress)
	BeforeValidatorSlashed(ctx Context, valAddr ValAddress, fraction Dec)
}

event hooks for staking validator object

type Store 

type Store interface {
	GetStoreType() StoreType
	CacheWrapper
}

type StoreKey 

type StoreKey interface {
	Name() string
	String() string
}

StoreKey is a key used to index stores in a MultiStore.

type StoreType 

type StoreType int

kind of store 

const (
	//nolint
	StoreTypeMulti StoreType = iota
	StoreTypeDB
	StoreTypeIAVL
	StoreTypeTransient
)

type Tag added in v0.17.0 

type Tag = cmn.KVPair

Type synonym for convenience

func MakeTag added in v0.17.0 

func MakeTag(k string, v []byte) Tag

Make a tag from a key and a value

type Tags added in v0.17.0 

type Tags cmn.KVPairs

Type synonym for convenience

func EmptyTags added in v0.17.0 

func EmptyTags() Tags

New empty tags

func NewTags added in v0.17.0 

func NewTags(tags ...interface{}) Tags

New variadic tags, must be k string, v []byte repeating

func (Tags) AppendTag added in v0.17.0 

func (t Tags) AppendTag(k string, v []byte) Tags

Append a single tag

func (Tags) AppendTags added in v0.17.0 

func (t Tags) AppendTags(tags Tags) Tags

Append two lists of tags

func (Tags) ToKVPairs added in v0.18.0 

func (t Tags) ToKVPairs() []cmn.KVPair

Turn tags into KVPair list

type TestMsg 

type TestMsg struct {
	// contains filtered or unexported fields
}

msg type for testing

func NewTestMsg 

func NewTestMsg(addrs ...AccAddress) *TestMsg

func (*TestMsg) GetSignBytes 

func (msg *TestMsg) GetSignBytes() []byte

func (*TestMsg) GetSigners 

func (msg *TestMsg) GetSigners() []AccAddress

func (*TestMsg) Route 

func (msg *TestMsg) Route() string

nolint

func (*TestMsg) Type 

func (msg *TestMsg) Type() string

func (*TestMsg) ValidateBasic 

func (msg *TestMsg) ValidateBasic() Error

type TraceContext 

type TraceContext map[string]interface{}

TraceContext contains TraceKVStore context data. It will be written with every trace operation.

type TransientStoreKey 

type TransientStoreKey struct {
	// contains filtered or unexported fields
}

TransientStoreKey is used for indexing transient stores in a MultiStore

func NewTransientStoreKey 

func NewTransientStoreKey(name string) *TransientStoreKey

Constructs new TransientStoreKey Must return a pointer according to the ocap principle

func (*TransientStoreKey) Name added in v0.24.0 

func (key *TransientStoreKey) Name() string

Implements StoreKey

func (*TransientStoreKey) String added in v0.24.0 

func (key *TransientStoreKey) String() string

Implements StoreKey

type Tx 

type Tx interface {
	// Gets the all the transaction's messages.
	GetMsgs() []Msg

	// ValidateBasic does a simple and lightweight validation check that doesn't
	// require access to any other information.
	ValidateBasic() Error
}

Transactions objects must fulfill the Tx

type TxDecoder 

type TxDecoder func(txBytes []byte) (Tx, Error)

TxDecoder unmarshals transaction bytes

type TxEncoder 

type TxEncoder func(tx Tx) ([]byte, error)

TxEncoder marshals transaction to bytes

type Uint 

type Uint struct {
	// contains filtered or unexported fields
}

Int wraps integer with 256 bit range bound Checks overflow, underflow and division by zero Exists in range from 0 to 2^256-1

func MaxUint 

func MaxUint(i, i2 Uint) Uint

MaxUint returns the maximum between two unsigned integers.

func MinUint 

func MinUint(i1, i2 Uint) Uint

Return the minimum of the Uints

func NewUint 

func NewUint(n uint64) Uint

NewUint constructs Uint from int64

func NewUintFromBigInt 

func NewUintFromBigInt(i *big.Int) Uint

NewUintFromBigUint constructs Uint from big.Uint

func NewUintFromString 

func NewUintFromString(s string) (res Uint, ok bool)

NewUintFromString constructs Uint from string

func NewUintWithDecimal added in v0.20.0 

func NewUintWithDecimal(n uint64, dec int) Uint

NewUintWithDecimal constructs Uint with decimal Result value is n*10^dec

func OneUint 

func OneUint() Uint

OneUint returns Uint value with one

func ZeroUint 

func ZeroUint() Uint

ZeroUint returns Uint value with zero

func (Uint) Add 

func (i Uint) Add(i2 Uint) (res Uint)

Add adds Uint from another

func (Uint) AddRaw added in v0.20.0 

func (i Uint) AddRaw(i2 uint64) Uint

AddRaw adds uint64 to Uint

func (Uint) BigInt 

func (i Uint) BigInt() *big.Int

BigInt converts Uint to big.Unt

func (Uint) Div added in v0.20.0 

func (i Uint) Div(i2 Uint) (res Uint)

Div divides Uint with Uint

func (Uint) DivRaw added in v0.20.0 

func (i Uint) DivRaw(i2 uint64) Uint

Div divides Uint with uint64

func (Uint) Equal 

func (i Uint) Equal(i2 Uint) bool

Equal compares two Uints

func (Uint) GT 

func (i Uint) GT(i2 Uint) bool

GT returns true if first Uint is greater than second

func (Uint) IsUint64 added in v0.24.0 

func (i Uint) IsUint64() bool

IsUint64 returns true if Uint64() not panics

func (Uint) IsZero 

func (i Uint) IsZero() bool

IsZero returns true if Uint is zero

func (Uint) LT 

func (i Uint) LT(i2 Uint) bool

LT returns true if first Uint is lesser than second

func (Uint) MarshalAmino 

func (i Uint) MarshalAmino() (string, error)

MarshalAmino defines custom encoding scheme

func (Uint) MarshalJSON 

func (i Uint) MarshalJSON() ([]byte, error)

MarshalJSON defines custom encoding scheme

func (Uint) Mod 

func (i Uint) Mod(i2 Uint) Uint

Mod returns remainder after dividing with Uint

func (Uint) ModRaw added in v0.24.0 

func (i Uint) ModRaw(i2 uint64) Uint

ModRaw returns remainder after dividing with uint64

func (Uint) Mul 

func (i Uint) Mul(i2 Uint) (res Uint)

Mul multiples two Uints

func (Uint) MulRaw added in v0.20.0 

func (i Uint) MulRaw(i2 uint64) Uint

MulRaw multipies Uint and uint64

func (Uint) SafeSub added in v0.27.0 

func (i Uint) SafeSub(i2 Uint) (Uint, bool)

SafeSub attempts to subtract one Uint from another. A boolean is also returned indicating if the result contains integer overflow.

func (Uint) Sign added in v0.20.0 

func (i Uint) Sign() int

Sign returns sign of Uint

func (Uint) String 

func (i Uint) String() string

Human readable string

func (Uint) Sub 

func (i Uint) Sub(i2 Uint) (res Uint)

Sub subtracts Uint from another

func (Uint) SubRaw added in v0.20.0 

func (i Uint) SubRaw(i2 uint64) Uint

SubRaw subtracts uint64 from Uint

func (Uint) Uint64 

func (i Uint) Uint64() uint64

Uint64 converts Uint to uint64 Panics if the value is out of range

func (*Uint) UnmarshalAmino 

func (i *Uint) UnmarshalAmino(text string) error

UnmarshalAmino defines custom decoding scheme

func (*Uint) UnmarshalJSON 

func (i *Uint) UnmarshalJSON(bz []byte) error

UnmarshalJSON defines custom decoding scheme

type ValAddress 

type ValAddress []byte

ValAddress defines a wrapper around bytes meant to present a validator's operator. When marshaled to a string or JSON, it uses Bech32.

func ValAddressFromBech32 

func ValAddressFromBech32(address string) (addr ValAddress, err error)

ValAddressFromBech32 creates a ValAddress from a Bech32 string.

func ValAddressFromHex 

func ValAddressFromHex(address string) (addr ValAddress, err error)

ValAddressFromHex creates a ValAddress from a hex string.

func (ValAddress) Bytes 

func (va ValAddress) Bytes() []byte

Bytes returns the raw address bytes.

func (ValAddress) Empty 

func (va ValAddress) Empty() bool

Returns boolean for whether an AccAddress is empty

func (ValAddress) Equals 

func (va ValAddress) Equals(va2 Address) bool

Returns boolean for whether two ValAddresses are Equal

func (ValAddress) Format 

func (va ValAddress) Format(s fmt.State, verb rune)

Format implements the fmt.Formatter interface. nolint: errcheck

func (ValAddress) Marshal 

func (va ValAddress) Marshal() ([]byte, error)

Marshal returns the raw address bytes. It is needed for protobuf compatibility.

func (ValAddress) MarshalJSON 

func (va ValAddress) MarshalJSON() ([]byte, error)

MarshalJSON marshals to JSON using Bech32.

func (ValAddress) String 

func (va ValAddress) String() string

String implements the Stringer interface.

func (*ValAddress) Unmarshal 

func (va *ValAddress) Unmarshal(data []byte) error

Unmarshal sets the address to the given data. It is needed for protobuf compatibility.

func (*ValAddress) UnmarshalJSON 

func (va *ValAddress) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals from JSON assuming Bech32 encoding.

type Validator added in v0.18.0 

type Validator interface {
	GetJailed() bool              // whether the validator is jailed
	GetMoniker() string           // moniker of the validator
	GetStatus() BondStatus        // status of the validator
	GetOperator() ValAddress      // operator address to receive/return validators coins
	GetConsPubKey() crypto.PubKey // validation consensus pubkey
	GetConsAddr() ConsAddress     // validation consensus address
	GetPower() Int                // validation power
	GetTokens() Int               // validation tokens
	GetCommission() Dec           // validator commission rate
	GetDelegatorShares() Dec      // total outstanding delegator shares
	GetBondHeight() int64         // height in which the validator became active
	GetDelegatorShareExRate() Dec // tokens per delegator share exchange rate
}

validator for a delegated proof of stake system

type ValidatorSet added in v0.18.0 

type ValidatorSet interface {
	// iterate through validators by operator address, execute func for each validator
	IterateValidators(Context,
		func(index int64, validator Validator) (stop bool))

	// iterate through bonded validators by operator address, execute func for each validator
	IterateBondedValidatorsByPower(Context,
		func(index int64, validator Validator) (stop bool))

	// iterate through the consensus validator set of the last block by operator address, execute func for each validator
	IterateLastValidators(Context,
		func(index int64, validator Validator) (stop bool))

	Validator(Context, ValAddress) Validator            // get a particular validator by operator address
	ValidatorByConsAddr(Context, ConsAddress) Validator // get a particular validator by consensus address
	TotalPower(Context) Int                             // total power of the validator set

	// slash the validator and delegators of the validator, specifying offence height, offence power, and slash fraction
	Slash(Context, ConsAddress, int64, int64, Dec)
	Jail(Context, ConsAddress)   // jail a validator
	Unjail(Context, ConsAddress) // unjail a validator

	// Delegation allows for getting a particular delegation for a given validator
	// and delegator outside the scope of the staking module.
	Delegation(Context, AccAddress, ValAddress) Delegation
}

properties for the set of all validators

Source Files

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