isc

package
v0.4.0-alpha.7 Latest Latest
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 Go to latest Published: Feb 2, 2023 License: Apache-2.0 Imports: 29 Imported by: 11

Documentation

Overview

Package 'isc' defines fundamental types used in the Wasp.

The core types are mostly based on the fundamental data types of Goshimmer

Index

Constants

View Source 
const ChainIDLength = iotago.AliasIDLength
View Source 
const FuncInit = "init"

FuncInit is a name of the init function for any smart contract

View Source 
const HnameLength = 4
View Source 
const Million = uint64(1_000_000)
View Source 
const RequestConsideredExpiredWindow = time.Minute * 1

don't process any request which deadline will expire within 1 minute

View Source 
const RequestIDDigestLen = 6
View Source 
const RequestIDSeparator = "-"
View Source 
const RequestRefKeyLen = iotago.OutputIDLength + 32
View Source 
const VMCoreErrorContractID = math.MaxUint32

VMCoreErrorContractID defines that all errors with a MaxUint32 contract id will be considered as core errors.

View Source 
const VMErrorMessageLimit = math.MaxUint16

Variables

View Source 
var BaseTokenID = []byte{}
View Source 
var (
	EntryPointInit = Hn(FuncInit)
)

well known hnames

View Source 
var ErrWrongTypeEntryPoint = errors.New("wrong type of the entry point")
View Source 
var NativeAssetsSerializationArrayRules = iotago.NativeTokenArrayRules()

Functions

func AddressFromAgentID 

func AddressFromAgentID(a AgentID) (iotago.Address, bool)

AddressFromAgentID returns the L1 address of the AgentID, if applicable.

func AddressFromBytes 

func AddressFromBytes(bytes []byte) (address iotago.Address, consumedBytes int, err error)

AddressFromBytes unmarshals an Address from a sequence of bytes.

func AddressFromMarshalUtil 

func AddressFromMarshalUtil(mu *marshalutil.MarshalUtil) (iotago.Address, error)

func AliasOutputsEqual 

func AliasOutputsEqual(ao1, ao2 *iotago.AliasOutput) bool

func BytesFromAddress 

func BytesFromAddress(address iotago.Address) []byte

func DecodeOutputID 

func DecodeOutputID(b []byte, def ...iotago.OutputID) (iotago.OutputID, error)

func EncodeOutputID 

func EncodeOutputID(value iotago.OutputID) []byte

func GetErrorIDFromMessageFormat 

func GetErrorIDFromMessageFormat(messageFormat string) uint16

func IsBaseToken 

func IsBaseToken(tokenID []byte) bool

IsBaseToken return whether a given tokenID represents the base token

func IsEmptyNativeTokenID 

func IsEmptyNativeTokenID(nativeTokenID iotago.NativeTokenID) bool

func IsEmptyOutputID added in v1.0.3 

func IsEmptyOutputID(outputID iotago.OutputID) bool

func MustLogRequestsInTransaction added in v1.0.3 

func MustLogRequestsInTransaction(tx *iotago.Transaction, log func(msg string, args ...interface{}), prefix string)

func MustNativeTokenIDFromBytes 

func MustNativeTokenIDFromBytes(data []byte) iotago.NativeTokenID

func NativeTokenIDFromBytes 

func NativeTokenIDFromBytes(data []byte) (iotago.NativeTokenID, error)

func OutputIDFromMarshalUtil 

func OutputIDFromMarshalUtil(mu *marshalutil.MarshalUtil) (iotago.OutputID, error)

func OutputIDToMarshalUtil 

func OutputIDToMarshalUtil(outputID iotago.OutputID, mu *marshalutil.MarshalUtil) *marshalutil.MarshalUtil

func OutputSetToOutputIDs 

func OutputSetToOutputIDs(outputSet iotago.OutputSet) iotago.OutputIDs

func RequestHash 

func RequestHash(req Request) hashing.HashValue

func RequestIsExpired 

func RequestIsExpired(req OnLedgerRequest, currentTime time.Time) bool

func RequestIsUnlockable 

func RequestIsUnlockable(req OnLedgerRequest, chainAddress iotago.Address, currentTime time.Time) bool

func RequestsInTransaction 

func RequestsInTransaction(tx *iotago.Transaction) (map[ChainID][]Request, error)

RequestsInTransaction parses the transaction and extracts those outputs which are interpreted as a request to a chain

func ShortRequestIDs 

func ShortRequestIDs(ids []RequestID) []string

func ShortRequestIDsFromRequests 

func ShortRequestIDsFromRequests(reqs []Request) []string

func VMErrorIs 

func VMErrorIs(err error, expected VMErrorBase) bool

VMErrorIs returns true if the error includes a VMErrorCode in its chain that matches the given code

func VMErrorMustBe 

func VMErrorMustBe(err error, expected VMErrorBase)

VMErrorMustBe panics unless the error includes a VMErrorCode in its chain that matches the given code

Types

type AddressAgentID 

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

AddressAgentID is an AgentID backed by a non-alias address.

func (*AddressAgentID) Address 

func (a *AddressAgentID) Address() iotago.Address

func (*AddressAgentID) Bytes 

func (a *AddressAgentID) Bytes() []byte

func (*AddressAgentID) Equals 

func (a *AddressAgentID) Equals(other AgentID) bool

func (*AddressAgentID) Kind 

func (a *AddressAgentID) Kind() AgentIDKind

func (*AddressAgentID) String 

func (a *AddressAgentID) String() string

type AgentID 

type AgentID interface {
	Kind() AgentIDKind
	String() string
	Bytes() []byte
	Equals(other AgentID) bool
}

AgentID represents any entity that can hold assets on L2 and/or call contracts.

func AgentIDFromBytes 

func AgentIDFromBytes(data []byte) (AgentID, error)

func AgentIDFromMarshalUtil 

func AgentIDFromMarshalUtil(mu *marshalutil.MarshalUtil) (AgentID, error)

func NewAgentID 

func NewAgentID(addr iotago.Address) AgentID

NewAgentID creates an AddressAgentID if the address is not an AliasAddress; otherwise a ContractAgentID with hname = 0.

func NewAgentIDFromString 

func NewAgentIDFromString(s string) (AgentID, error)

NewAgentIDFromString parses the human-readable string representation

func NewRandomAgentID 

func NewRandomAgentID() AgentID

NewRandomAgentID creates random AgentID

type AgentIDKind 

type AgentIDKind uint8
const (
	AgentIDKindNil AgentIDKind = iota
	AgentIDKindAddress
	AgentIDKindContract
	AgentIDKindEthereumAddress
)

type AgentIDWithL1Address 

type AgentIDWithL1Address interface {
	AgentID
	Address() iotago.Address
}

AgentIDWithL1Address is an AgentID backed by an L1 address (either AddressAgentID or ContractAgentID).

type AliasOutputWithID 

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

func NewAliasOutputWithID 

func NewAliasOutputWithID(aliasOutput *iotago.AliasOutput, outputID iotago.OutputID) *AliasOutputWithID

func NewAliasOutputWithIDFromBytes 

func NewAliasOutputWithIDFromBytes(data []byte) (*AliasOutputWithID, error)

func NewAliasOutputWithIDFromMarshalUtil 

func NewAliasOutputWithIDFromMarshalUtil(mu *marshalutil.MarshalUtil) (*AliasOutputWithID, error)

func (*AliasOutputWithID) Bytes added in v1.0.3 

func (a *AliasOutputWithID) Bytes() []byte

func (*AliasOutputWithID) Equals added in v1.0.3 

func (a *AliasOutputWithID) Equals(other *AliasOutputWithID) bool

func (*AliasOutputWithID) GetAliasID 

func (a *AliasOutputWithID) GetAliasID() iotago.AliasID

func (*AliasOutputWithID) GetAliasOutput 

func (a *AliasOutputWithID) GetAliasOutput() *iotago.AliasOutput

func (*AliasOutputWithID) GetStateAddress 

func (a *AliasOutputWithID) GetStateAddress() iotago.Address

func (*AliasOutputWithID) GetStateIndex 

func (a *AliasOutputWithID) GetStateIndex() uint32

func (*AliasOutputWithID) GetStateMetadata 

func (a *AliasOutputWithID) GetStateMetadata() []byte

func (*AliasOutputWithID) Hash added in v1.0.3 

func (a *AliasOutputWithID) Hash() hashing.HashValue

func (*AliasOutputWithID) OutputID 

func (a *AliasOutputWithID) OutputID() iotago.OutputID

func (*AliasOutputWithID) String added in v1.0.3 

func (a *AliasOutputWithID) String() string

func (*AliasOutputWithID) TransactionID added in v1.0.3 

func (a *AliasOutputWithID) TransactionID() iotago.TransactionID

type Assets added in v1.0.3 

type Assets struct {
	BaseTokens   uint64              `json:"baseTokens"`
	NativeTokens iotago.NativeTokens `json:"nativeTokens"`
	NFTs         []iotago.NFTID      `json:"nfts"`
}

func AssetsFromDict added in v1.0.3 

func AssetsFromDict(d dict.Dict) (*Assets, error)

func AssetsFromMarshalUtil 

func AssetsFromMarshalUtil(mu *marshalutil.MarshalUtil) (*Assets, error)

func AssetsFromNativeTokenSum added in v1.0.3 

func AssetsFromNativeTokenSum(baseTokens uint64, tokens iotago.NativeTokenSum) *Assets

func AssetsFromOutput added in v1.0.3 

func AssetsFromOutput(o iotago.Output) *Assets

func AssetsFromOutputMap added in v1.0.3 

func AssetsFromOutputMap(outs map[iotago.OutputID]iotago.Output) *Assets

func MustAssetsFromBytes added in v1.0.3 

func MustAssetsFromBytes(b []byte) *Assets

func NewAssets added in v1.0.3 

func NewAssets(baseTokens uint64, tokens iotago.NativeTokens, nfts ...iotago.NFTID) *Assets

func NewAssetsBaseTokens added in v1.0.3 

func NewAssetsBaseTokens(amount uint64) *Assets

func NewAssetsForGasFee 

func NewAssetsForGasFee(p *gas.GasFeePolicy, feeAmount uint64) *Assets

func NewEmptyAssets 

func NewEmptyAssets() *Assets

func (*Assets) Add added in v1.0.3 

func (a *Assets) Add(b *Assets) *Assets

func (*Assets) AddBaseTokens added in v1.0.3 

func (a *Assets) AddBaseTokens(amount uint64) *Assets

func (*Assets) AddNFTs added in v1.0.3 

func (a *Assets) AddNFTs(nfts ...iotago.NFTID) *Assets

func (*Assets) AddNativeTokens added in v1.0.3 

func (a *Assets) AddNativeTokens(nativeTokenID iotago.NativeTokenID, amount interface{}) *Assets

func (*Assets) AmountNativeToken added in v1.0.3 

func (a *Assets) AmountNativeToken(nativeTokenID iotago.NativeTokenID) *big.Int

func (*Assets) Bytes added in v1.0.3 

func (a *Assets) Bytes() []byte

func (*Assets) Clone added in v1.0.3 

func (a *Assets) Clone() *Assets

returns nil if nil pointer receiver is cloned

func (*Assets) Equals added in v1.0.3 

func (a *Assets) Equals(b *Assets) bool

func (*Assets) IsEmpty added in v1.0.3 

func (a *Assets) IsEmpty() bool

func (*Assets) NFTSet added in v1.0.3 

func (a *Assets) NFTSet() map[iotago.NFTID]bool

func (*Assets) Spend added in v1.0.3 

func (a *Assets) Spend(toSpend *Assets) bool

Spend subtracts assets from the current set. Mutates receiver `a` ! If budget is not enough, returns false and leaves receiver untouched

func (*Assets) String added in v1.0.3 

func (a *Assets) String() string

func (*Assets) ToDict added in v1.0.3 

func (a *Assets) ToDict() dict.Dict

func (*Assets) WriteToMarshalUtil 

func (a *Assets) WriteToMarshalUtil(mu *marshalutil.MarshalUtil)

type Authorize 

type Authorize interface {
	RequireCaller(agentID AgentID)
	RequireCallerAnyOf(agentID []AgentID)
	RequireCallerIsChainOwner()
}

type BLS 

type BLS interface {
	ValidSignature(data []byte, pubKey []byte, signature []byte) bool
	AddressFromPublicKey(pubKey []byte) (iotago.Address, error)
	AggregateBLSSignatures(pubKeysBin [][]byte, sigsBin [][]byte) ([]byte, []byte, error)
}

type Balance 

type Balance interface {
	// BalanceBaseTokens returns number of base tokens in the balance of the smart contract
	BalanceBaseTokens() uint64
	// BalanceNativeToken returns number of native token or nil if it is empty
	BalanceNativeToken(iotago.NativeTokenID) *big.Int
	// BalanceNativeTokens returns all native tokens owned by the smart contract
	BalanceNativeTokens() iotago.NativeTokens
	// OwnedNFTs returns the NFTIDs of NFTs owned by the smart contract
	OwnedNFTs() []iotago.NFTID
	// returns whether a given user owns a given amount of tokens
	HasInAccount(AgentID, *Assets) bool
}

type CallTarget 

type CallTarget struct {
	Contract   Hname `json:"contract" swagger:"required"`
	EntryPoint Hname `json:"entryPoint" swagger:"required"`
}

CallTarget the target representation of the request

func NewCallTarget 

func NewCallTarget(contract, entryPoint Hname) CallTarget

func (CallTarget) Equals 

func (t CallTarget) Equals(otherTarget CallTarget) bool

type Calldata 

type Calldata interface {
	ID() RequestID
	Params() dict.Dict
	SenderAccount() AgentID
	CallTarget() CallTarget
	TargetAddress() iotago.Address // TODO implement properly. Target depends on time assumptions and UTXO type
	Assets() *Assets               // attached assets for the UTXO request, nil for off-ledger. All goes to sender
	NFT() *NFT                     // Not nil if the request is an NFT request
	Allowance() *Assets            // transfer of assets to the smart contract. Debited from sender account
	GasBudget() (gas uint64, isEVM bool)
}

type ChainID 

type ChainID iotago.AliasID

ChainID represents the global identifier of the chain It is wrapped AliasAddress, an address without a private key behind

func ChainIDFromAddress 

func ChainIDFromAddress(addr *iotago.AliasAddress) ChainID

func ChainIDFromAliasID 

func ChainIDFromAliasID(aliasID iotago.AliasID) ChainID

ChainIDFromAliasID creates new chain ID from alias address

func ChainIDFromBytes 

func ChainIDFromBytes(data []byte) (ChainID, error)

ChainIDFromBytes reconstructs a ChainID from its binary representation.

func ChainIDFromMarshalUtil 

func ChainIDFromMarshalUtil(mu *marshalutil.MarshalUtil) (ChainID, error)

ChainIDFromMarshalUtil reads from Marshalutil

func ChainIDFromString 

func ChainIDFromString(bech32 string) (ChainID, error)

func EmptyChainID added in v1.0.3 

func EmptyChainID() ChainID

EmptyChainID returns an empty ChainID.

func RandomChainID 

func RandomChainID(seed ...[]byte) ChainID

RandomChainID creates a random chain ID. Used for testing only

func (ChainID) AsAddress 

func (id ChainID) AsAddress() iotago.Address

func (ChainID) AsAliasAddress 

func (id ChainID) AsAliasAddress() iotago.AliasAddress

func (ChainID) AsAliasID 

func (id ChainID) AsAliasID() iotago.AliasID

func (ChainID) Bytes 

func (id ChainID) Bytes() []byte

func (ChainID) CommonAccount 

func (id ChainID) CommonAccount() AgentID

func (ChainID) Empty added in v1.0.3 

func (id ChainID) Empty() bool

func (ChainID) Equals 

func (id ChainID) Equals(other ChainID) bool

func (ChainID) IsSameChain 

func (id ChainID) IsSameChain(agentID AgentID) bool

func (ChainID) Key 

func (id ChainID) Key() string

func (ChainID) ShortString added in v1.0.3 

func (id ChainID) ShortString() string

func (ChainID) String 

func (id ChainID) String() string

String human readable form (bech32)

type ContractAgentID 

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

ContractAgentID is an AgentID formed by a ChainID and a contract Hname.

func NewContractAgentID 

func NewContractAgentID(chainID ChainID, hname Hname) *ContractAgentID

func (*ContractAgentID) Address 

func (a *ContractAgentID) Address() iotago.Address

func (*ContractAgentID) Bytes 

func (a *ContractAgentID) Bytes() []byte

func (*ContractAgentID) ChainID 

func (a *ContractAgentID) ChainID() ChainID

func (*ContractAgentID) Equals 

func (a *ContractAgentID) Equals(other AgentID) bool

func (*ContractAgentID) Hname 

func (a *ContractAgentID) Hname() Hname

func (*ContractAgentID) Kind 

func (a *ContractAgentID) Kind() AgentIDKind

func (*ContractAgentID) String 

func (a *ContractAgentID) String() string

type ED25519 

type ED25519 interface {
	ValidSignature(data []byte, pubKey []byte, signature []byte) bool
	AddressFromPublicKey(pubKey []byte) (iotago.Address, error)
}

type EthereumAddressAgentID 

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

EthereumAddressAgentID is an AgentID formed by an Ethereum address

func NewEthereumAddressAgentID 

func NewEthereumAddressAgentID(eth common.Address) *EthereumAddressAgentID

func (*EthereumAddressAgentID) Bytes 

func (a *EthereumAddressAgentID) Bytes() []byte

func (*EthereumAddressAgentID) Equals 

func (a *EthereumAddressAgentID) Equals(other AgentID) bool

func (*EthereumAddressAgentID) EthAddress 

func (a *EthereumAddressAgentID) EthAddress() common.Address

func (*EthereumAddressAgentID) Kind 

func (a *EthereumAddressAgentID) Kind() AgentIDKind

func (*EthereumAddressAgentID) String 

func (a *EthereumAddressAgentID) String() string

type Expiration 

type Expiration struct {
	Time          time.Time
	ReturnAddress iotago.Address
}

type Features 

type Features interface {
	// TimeLock returns the timelock feature, or a zero time if not present
	TimeLock() time.Time
	// Expiry returns the expiry time and sender address, or a zero time if not present
	Expiry() (time.Time, iotago.Address) // return expiry time data and sender address or nil, nil if does not exist
	ReturnAmount() (uint64, bool)
}

type Gas 

type Gas interface {
	Burn(burnCode gas.BurnCode, par ...uint64)
	Budget() uint64
	Burned() uint64
}

type Hashing 

type Hashing interface {
	Blake2b(data []byte) hashing.HashValue
	Sha3(data []byte) hashing.HashValue
	Hname(name string) Hname
}

type Helpers 

type Helpers interface {
	Requiref(cond bool, format string, args ...interface{})
	RequireNoError(err error, str ...string)
}

type Hname 

type Hname uint32

Hname is 4 bytes of blake2b hash of any string interpreted as little-endian uint32. 0 and not ^0 are reserved values and the isc.Hn ensures it is not returned

func Hn 

func Hn(name string) (ret Hname)

Hn create hname from arbitrary string.

func HnameFromAgentID 

func HnameFromAgentID(a AgentID) (Hname, bool)

HnameFromAgentID returns the hname of the AgentID, if applicable.

func HnameFromBytes 

func HnameFromBytes(data []byte) (ret Hname, err error)

func HnameFromHexString 

func HnameFromHexString(s string) (Hname, error)

func HnameFromMarshalUtil 

func HnameFromMarshalUtil(mu *marshalutil.MarshalUtil) (ret Hname, err error)

HnameFromBytes constructor, unmarshalling

func (Hname) Bytes 

func (hn Hname) Bytes() []byte

func (Hname) Clone 

func (hn Hname) Clone() Hname

func (*Hname) Read 

func (hn *Hname) Read(r io.Reader) error

func (*Hname) ReadFromMarshalUtil 

func (hn *Hname) ReadFromMarshalUtil(mu *marshalutil.MarshalUtil) error

func (Hname) String 

func (hn Hname) String() string

func (*Hname) Write 

func (hn *Hname) Write(w io.Writer) error

func (*Hname) WriteToMarshalUtil 

func (hn *Hname) WriteToMarshalUtil(mu *marshalutil.MarshalUtil)

type KVDecoder 

type KVDecoder interface {
	kv.KVStoreReader
	GetInt16(key kv.Key, def ...int16) (int16, error)
	MustGetInt16(key kv.Key, def ...int16) int16
	GetUint16(key kv.Key, def ...uint16) (uint16, error)
	MustGetUint16(key kv.Key, def ...uint16) uint16
	GetInt32(key kv.Key, def ...int32) (int32, error)
	MustGetInt32(key kv.Key, def ...int32) int32
	GetUint32(key kv.Key, def ...uint32) (uint32, error)
	MustGetUint32(key kv.Key, def ...uint32) uint32
	GetInt64(key kv.Key, def ...int64) (int64, error)
	MustGetInt64(key kv.Key, def ...int64) int64
	GetUint64(key kv.Key, def ...uint64) (uint64, error)
	MustGetUint64(key kv.Key, def ...uint64) uint64
	GetBool(key kv.Key, def ...bool) (bool, error)
	MustGetBool(key kv.Key, def ...bool) bool
	GetTime(key kv.Key, def ...time.Time) (time.Time, error)
	MustGetTime(key kv.Key, def ...time.Time) time.Time
	GetString(key kv.Key, def ...string) (string, error)
	MustGetString(key kv.Key, def ...string) string
	GetHname(key kv.Key, def ...Hname) (Hname, error)
	MustGetHname(key kv.Key, def ...Hname) Hname
	GetHashValue(key kv.Key, def ...hashing.HashValue) (hashing.HashValue, error)
	MustGetHashValue(key kv.Key, def ...hashing.HashValue) hashing.HashValue
	GetAddress(key kv.Key, def ...iotago.Address) (iotago.Address, error)
	MustGetAddress(key kv.Key, def ...iotago.Address) iotago.Address
	GetRequestID(key kv.Key, def ...RequestID) (RequestID, error)
	MustGetRequestID(key kv.Key, def ...RequestID) RequestID
	GetAgentID(key kv.Key, def ...AgentID) (AgentID, error)
	MustGetAgentID(key kv.Key, def ...AgentID) AgentID
	GetChainID(key kv.Key, def ...ChainID) (ChainID, error)
	MustGetChainID(key kv.Key, def ...ChainID) ChainID
	GetBytes(key kv.Key, def ...[]byte) ([]byte, error)
	MustGetBytes(key kv.Key, def ...[]byte) []byte
	GetTokenScheme(key kv.Key, def ...iotago.TokenScheme) (iotago.TokenScheme, error)
	MustGetTokenScheme(key kv.Key, def ...iotago.TokenScheme) iotago.TokenScheme
	GetBigInt(key kv.Key, def ...*big.Int) (*big.Int, error)
	MustGetBigInt(key kv.Key, def ...*big.Int) *big.Int
	GetNativeTokenID(key kv.Key, def ...iotago.NativeTokenID) (iotago.NativeTokenID, error)
	MustGetNativeTokenID(key kv.Key, def ...iotago.NativeTokenID) iotago.NativeTokenID
}

KVDecoder is interface with all kind of utility functions extracting and decoding values from the key/value map

type LogInterface 

type LogInterface interface {
	Infof(format string, param ...interface{})
	Debugf(format string, param ...interface{})
	Panicf(format string, param ...interface{})
}

type NFT 

type NFT struct {
	ID       iotago.NFTID
	Issuer   iotago.Address
	Metadata []byte  // (ImmutableMetadata)
	Owner    AgentID // can be nil
}

func NFTFromBytes 

func NFTFromBytes(bytes []byte, withID ...bool) (*NFT, error)

func NFTFromMarshalUtil 

func NFTFromMarshalUtil(mu *marshalutil.MarshalUtil, withID ...bool) (*NFT, error)

func (*NFT) Bytes 

func (nft *NFT) Bytes(withID ...bool) []byte

type NilAgentID 

type NilAgentID struct{}

func (*NilAgentID) Bytes 

func (a *NilAgentID) Bytes() []byte

func (*NilAgentID) Equals 

func (a *NilAgentID) Equals(other AgentID) bool

func (*NilAgentID) Kind 

func (a *NilAgentID) Kind() AgentIDKind

func (*NilAgentID) String 

func (a *NilAgentID) String() string

type OffLedgerRequest 

type OffLedgerRequest interface {
	Request
	OffLedgerRequestData
	VerifySignature() error
}

func NewEVMOffLedgerEstimateGasRequest 

func NewEVMOffLedgerEstimateGasRequest(chainID ChainID, callMsg ethereum.CallMsg) OffLedgerRequest

func NewEVMOffLedgerRequest 

func NewEVMOffLedgerRequest(chainID ChainID, tx *types.Transaction) (OffLedgerRequest, error)

type OffLedgerRequestData 

type OffLedgerRequestData interface {
	ChainID() ChainID
	Nonce() uint64
}

type OnLedgerRequest 

type OnLedgerRequest interface {
	Request
	Clone() OnLedgerRequest
	Output() iotago.Output
	IsInternalUTXO(ChainID) bool
	OutputID() iotago.OutputID
	Features() Features
}

func OnLedgerFromUTXO 

func OnLedgerFromUTXO(output iotago.Output, outputID iotago.OutputID) (OnLedgerRequest, error)

type OutputInfo added in v1.0.3 

type OutputInfo struct {
	OutputID           iotago.OutputID
	Output             iotago.Output
	TransactionIDSpent iotago.TransactionID
}

func NewOutputInfo added in v1.0.3 

func NewOutputInfo(outputID iotago.OutputID, output iotago.Output, transactionIDSpent iotago.TransactionID) *OutputInfo

func (*OutputInfo) AliasOutputWithID added in v1.0.3 

func (o *OutputInfo) AliasOutputWithID() *AliasOutputWithID

func (*OutputInfo) Consumed added in v1.0.3 

func (o *OutputInfo) Consumed() bool

type Params 

type Params struct {
	Dict dict.Dict
	KVDecoder
}

type Privileged 

type Privileged interface {
	TryLoadContract(programHash hashing.HashValue) error
	CreateNewFoundry(scheme iotago.TokenScheme, metadata []byte) (uint32, uint64)
	DestroyFoundry(uint32) uint64
	ModifyFoundrySupply(serNum uint32, delta *big.Int) int64
	GasBurnEnable(enable bool)
	MustMoveBetweenAccounts(fromAgentID, toAgentID AgentID, assets *Assets)
	DebitFromAccount(AgentID, *Assets)
	CreditToAccount(AgentID, *Assets)

	SubscribeBlockContext(openFunc Hname, closeFunc Hname)
	SetBlockContext(bctx interface{})
	BlockContext() interface{}
	// the amount of tokens available to pay for the gas of the current request
	TotalGasTokens() *Assets
}

Privileged is a sub-interface for core contracts. Should not be called by VM plugins

type PrivilegedView 

type PrivilegedView interface {
	GasBurnEnable(enable bool)
}

PrivilegedView is a sub-interface for core contracts. Should not be called by VM plugins

type Receipt 

type Receipt struct {
	Request       []byte             `json:"request"`
	Error         *UnresolvedVMError `json:"error"`
	GasBudget     uint64             `json:"gasBudget"`
	GasBurned     uint64             `json:"gasBurned"`
	GasFeeCharged uint64             `json:"gasFeeCharged"`
	BlockIndex    uint32             `json:"blockIndex"`
	RequestIndex  uint16             `json:"requestIndex"`
	ResolvedError string             `json:"resolvedError"`
	GasBurnLog    *gas.BurnLog       `json:"-"`
}

Receipt represents a blocklog.RequestReceipt with a resolved error string

func (Receipt) DeserializedRequest 

func (r Receipt) DeserializedRequest() Request

func (Receipt) String 

func (r Receipt) String() string

type Request 

type Request interface {
	Calldata

	IsOffLedger() bool

	WriteToMarshalUtil(mu *marshalutil.MarshalUtil)

	Bytes() []byte
	String() string
	// contains filtered or unexported methods
}

Request wraps any data which can be potentially be interpreted as a request

func NewRequestFromBytes 

func NewRequestFromBytes(data []byte) (Request, error)

func NewRequestFromMarshalUtil 

func NewRequestFromMarshalUtil(mu *marshalutil.MarshalUtil) (Request, error)

type RequestID 

type RequestID iotago.OutputID

func NewRequestID 

func NewRequestID(txid iotago.TransactionID, index uint16) RequestID

func RequestIDFromBytes 

func RequestIDFromBytes(data []byte) (RequestID, error)

func RequestIDFromMarshalUtil 

func RequestIDFromMarshalUtil(mu *marshalutil.MarshalUtil) (RequestID, error)

func RequestIDFromString 

func RequestIDFromString(s string) (ret RequestID, err error)

func TakeRequestIDs 

func TakeRequestIDs(reqs ...Request) []RequestID

func (RequestID) Bytes 

func (rid RequestID) Bytes() []byte

func (RequestID) Equals 

func (rid RequestID) Equals(other RequestID) bool

func (RequestID) LookupDigest 

func (rid RequestID) LookupDigest() RequestLookupDigest

func (RequestID) OutputID 

func (rid RequestID) OutputID() iotago.OutputID

func (RequestID) Short 

func (rid RequestID) Short() string

func (RequestID) String 

func (rid RequestID) String() string

type RequestLookupDigest 

type RequestLookupDigest [RequestIDDigestLen + 2]byte

RequestLookupDigest is shortened version of the request id. It is guaranteed to be unique within one block, however it may collide globally. Used for quick checking for most requests if it was never seen

type RequestMetadata 

type RequestMetadata struct {
	SenderContract Hname `json:"senderContract"`
	// ID of the target smart contract
	TargetContract Hname `json:"targetContract"`
	// entry point code
	EntryPoint Hname `json:"entryPoint"`
	// request arguments
	Params dict.Dict `json:"params"`
	// Allowance intended to the target contract to take. Nil means zero allowance
	Allowance *Assets `json:"allowance"`
	// gas budget
	GasBudget uint64 `json:"gasBudget"`
}

func RequestMetadataFromBytes 

func RequestMetadataFromBytes(data []byte) (*RequestMetadata, error)

func RequestMetadataFromFeatureSet 

func RequestMetadataFromFeatureSet(set iotago.FeatureSet) (*RequestMetadata, error)

func (*RequestMetadata) Bytes 

func (p *RequestMetadata) Bytes() []byte

func (*RequestMetadata) Clone added in v1.0.3 

func (p *RequestMetadata) Clone() *RequestMetadata

returns nil if nil pointer receiver is cloned

func (*RequestMetadata) ReadFromMarshalUtil 

func (p *RequestMetadata) ReadFromMarshalUtil(mu *marshalutil.MarshalUtil) error

func (*RequestMetadata) WriteToMarshalUtil 

func (p *RequestMetadata) WriteToMarshalUtil(mu *marshalutil.MarshalUtil)

type RequestParameters 

type RequestParameters struct {
	// TargetAddress is the target address. It may represent another chain or L1 address
	TargetAddress iotago.Address
	// Assets attached to the output, always taken from the caller's account.
	// It expected to contain base tokens at least the amount required for storage deposit
	// It depends on the context how it is handled when base tokens are not enough for storage deposit
	Assets *Assets
	// AdjustToMinimumStorageDeposit if true base tokens in attached fungible tokens will be added to meet minimum storage deposit requirements
	AdjustToMinimumStorageDeposit bool
	// Metadata is a request metadata. It may be nil if the output is just sending assets to L1 address
	Metadata *SendMetadata
	// SendOptions includes options of the output, such as time lock or expiry parameters
	Options SendOptions
}

RequestParameters represents parameters of the on-ledger request. The output is build from these parameters

type RequestRef added in v1.0.3 

type RequestRef struct {
	ID   RequestID
	Hash hashing.HashValue
}

func RequestRefFromBytes added in v1.0.3 

func RequestRefFromBytes(data []byte) (*RequestRef, error)

func RequestRefFromRequest added in v1.0.3 

func RequestRefFromRequest(req Request) *RequestRef

func RequestRefsFromRequests added in v1.0.3 

func RequestRefsFromRequests(reqs []Request) []*RequestRef

func (*RequestRef) AsKey added in v1.0.3 

func (rr *RequestRef) AsKey() RequestRefKey

func (*RequestRef) Bytes added in v1.0.3 

func (rr *RequestRef) Bytes() []byte

func (*RequestRef) IsFor added in v1.0.3 

func (rr *RequestRef) IsFor(req Request) bool

type RequestRefKey added in v1.0.3 

type RequestRefKey [RequestRefKeyLen]byte

type ReturnAmountOptions 

type ReturnAmountOptions interface {
	ReturnTo() iotago.Address
	Amount() uint64
}

type Sandbox 

type Sandbox interface {
	SandboxBase
	Authorize

	// State k/v store of the current call (in the context of the smart contract)
	State() kv.KVStore
	// Request return the request in the context of which the smart contract is called
	Request() Calldata

	// Call calls the entry point of the contract with parameters and allowance.
	// If the entry point is full entry point, allowance tokens are available to be moved from the caller's
	// accounts (if enough). If the entry point is view, 'allowance' has no effect
	Call(target, entryPoint Hname, params dict.Dict, allowance *Assets) dict.Dict
	// DeployContract deploys contract on the same chain. 'initParams' are passed to the 'init' entry point
	DeployContract(programHash hashing.HashValue, name string, description string, initParams dict.Dict)
	// Event emits an event
	Event(msg string)
	// RegisterError registers an error
	RegisterError(messageFormat string) *VMErrorTemplate
	// GetEntropy 32 random bytes based on the hash of the current state transaction
	GetEntropy() hashing.HashValue
	// AllowanceAvailable specifies max remaining (after transfers) budget of assets the smart contract can take
	// from the caller with TransferAllowedFunds. Nil means no allowance left (zero budget)
	AllowanceAvailable() *Assets
	// TransferAllowedFunds moves assets from the caller's account to specified account within the budget set by Allowance.
	// Skipping 'assets' means transfer all Allowance().
	// The TransferAllowedFunds call mutates AllowanceAvailable
	// Returns remaining budget
	TransferAllowedFunds(target AgentID, transfer ...*Assets) *Assets
	// Send sends an on-ledger request (or a regular transaction to any L1 Address)
	Send(metadata RequestParameters)
	// EstimateRequiredStorageDeposit returns the amount of base tokens needed to cover for a given request's storage deposit
	EstimateRequiredStorageDeposit(r RequestParameters) uint64
	// StateAnchor properties of the anchor output
	StateAnchor() *StateAnchor

	// Privileged is a sub-interface of the sandbox which should not be called by VM plugins
	Privileged() Privileged
}

Sandbox is an interface given to the processor to access the VMContext and virtual state, transaction builder and request parameters through it.

type SandboxBase 

type SandboxBase interface {
	Helpers
	Balance
	// Params returns the parameters of the current call
	Params() *Params
	// ChainID returns the chain ID
	ChainID() ChainID
	// ChainOwnerID returns the AgentID of the current owner of the chain
	ChainOwnerID() AgentID
	// Contract returns the Hname of the current contract in the context
	Contract() Hname
	// AccountID returns the agentID of the current contract (i.e. chainID + contract hname)
	AccountID() AgentID
	// Caller is the agentID of the caller.
	Caller() AgentID
	// Timestamp returns the Unix timestamp of the current state in seconds
	Timestamp() time.Time
	// Log returns a logger that outputs on the local machine. It includes Panicf method
	Log() LogInterface
	// Utils provides access to common necessary functionality
	Utils() Utils
	// Gas returns sub-interface for gas related functions. It is stateful but does not modify chain's state
	Gas() Gas
	// GetNFTData returns information about a NFTID (issuer and metadata)
	GetNFTData(nftID iotago.NFTID) *NFT
	// CallView calls another contract. Only calls view entry points
	CallView(contractHname Hname, entryPoint Hname, params dict.Dict) dict.Dict
	// StateR returns the immutable k/v store of the current call (in the context of the smart contract)
	StateR() kv.KVStoreReader
}

SandboxBase is the common interface of Sandbox and SandboxView

type SandboxView 

type SandboxView interface {
	SandboxBase

	// Privileged is a sub-interface of the sandbox that should never be called by VM plugins
	Privileged() PrivilegedView
}

SandboxView is an interface for read only call

type SendMetadata 

type SendMetadata struct {
	TargetContract Hname
	EntryPoint     Hname
	Params         dict.Dict
	Allowance      *Assets
	GasBudget      uint64
}

SendMetadata represents content of the data payload of the output

type SendOptions 

type SendOptions struct {
	Timelock   time.Time
	Expiration *Expiration
}

type StateAnchor 

type StateAnchor struct {
	ChainID              ChainID
	Sender               iotago.Address
	OutputID             iotago.OutputID
	IsOrigin             bool
	StateController      iotago.Address
	GovernanceController iotago.Address
	StateIndex           uint32
	StateData            []byte
	Deposit              uint64
	NativeTokens         iotago.NativeTokens
}

StateAnchor contains properties of the anchor output/transaction in the current context

type UnresolvedVMError 

type UnresolvedVMError struct {
	ErrorCode VMErrorCode   `json:"code"`
	Params    []interface{} `json:"params"`
	Hash      uint32        `json:"hash"`
}

func UnresolvedVMErrorFromMarshalUtil 

func UnresolvedVMErrorFromMarshalUtil(mu *marshalutil.MarshalUtil) (*UnresolvedVMError, error)

func (*UnresolvedVMError) AsGoError 

func (e *UnresolvedVMError) AsGoError() error

func (*UnresolvedVMError) Bytes 

func (e *UnresolvedVMError) Bytes() []byte

func (*UnresolvedVMError) Code 

func (e *UnresolvedVMError) Code() VMErrorCode

func (*UnresolvedVMError) Error 

func (e *UnresolvedVMError) Error() string

type UnsignedOffLedgerRequest 

type UnsignedOffLedgerRequest interface {
	WithNonce(nonce uint64) UnsignedOffLedgerRequest
	WithGasBudget(gasBudget uint64) UnsignedOffLedgerRequest
	WithAllowance(allowance *Assets) UnsignedOffLedgerRequest
	Sign(key *cryptolib.KeyPair) OffLedgerRequest
}

func NewOffLedgerRequest 

func NewOffLedgerRequest(chainID ChainID, contract, entryPoint Hname, params dict.Dict, nonce uint64) UnsignedOffLedgerRequest

type Utils 

type Utils interface {
	Hashing() Hashing
	ED25519() ED25519
	BLS() BLS
}

Utils implement various utilities which are faster on host side than on wasm VM Implement deterministic stateless computations

type VMError 

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

func (*VMError) AsGoError 

func (e *VMError) AsGoError() error

func (*VMError) AsTemplate 

func (e *VMError) AsTemplate() *VMErrorTemplate

func (*VMError) AsUnresolvedError 

func (e *VMError) AsUnresolvedError() *UnresolvedVMError

func (*VMError) Bytes 

func (e *VMError) Bytes() []byte

func (*VMError) Code 

func (e *VMError) Code() VMErrorCode

func (*VMError) Error 

func (e *VMError) Error() string

func (*VMError) Hash 

func (e *VMError) Hash() uint32

func (*VMError) MessageFormat 

func (e *VMError) MessageFormat() string

func (*VMError) Params 

func (e *VMError) Params() []interface{}

type VMErrorBase 

type VMErrorBase interface {
	error
	Code() VMErrorCode
}

VMErrorBase is the common interface of UnresolvedVMError and VMError

type VMErrorCode 

type VMErrorCode struct {
	ContractID Hname
	ID         uint16
}

func NewCoreVMErrorCode 

func NewCoreVMErrorCode(id uint16) VMErrorCode

func NewVMErrorCode 

func NewVMErrorCode(contractID Hname, id uint16) VMErrorCode

func VMErrorCodeFromBytes 

func VMErrorCodeFromBytes(b []byte) (code VMErrorCode, err error)

func VMErrorCodeFromMarshalUtil 

func VMErrorCodeFromMarshalUtil(mu *marshalutil.MarshalUtil) (code VMErrorCode, err error)

func (VMErrorCode) Bytes 

func (c VMErrorCode) Bytes() []byte

func (VMErrorCode) Serialize 

func (c VMErrorCode) Serialize(mu *marshalutil.MarshalUtil)

func (VMErrorCode) String 

func (c VMErrorCode) String() string

type VMErrorTemplate 

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

func NewVMErrorTemplate 

func NewVMErrorTemplate(code VMErrorCode, messageFormat string) *VMErrorTemplate

func VMErrorTemplateFromMarshalUtil 

func VMErrorTemplateFromMarshalUtil(mu *marshalutil.MarshalUtil) (*VMErrorTemplate, error)

func (*VMErrorTemplate) Bytes 

func (e *VMErrorTemplate) Bytes() []byte

func (*VMErrorTemplate) Code 

func (e *VMErrorTemplate) Code() VMErrorCode

func (*VMErrorTemplate) Create 

func (e *VMErrorTemplate) Create(params ...interface{}) *VMError

func (*VMErrorTemplate) Error 

func (e *VMErrorTemplate) Error() string

VMErrorTemplate implements error just in case someone panics with VMErrorTemplate by mistake, so that we don't crash the VM because of that.

func (*VMErrorTemplate) MessageFormat 

func (e *VMErrorTemplate) MessageFormat() string

func (*VMErrorTemplate) Serialize 

func (e *VMErrorTemplate) Serialize(mu *marshalutil.MarshalUtil)

type VMProcessor 

type VMProcessor interface {
	GetEntryPoint(code Hname) (VMProcessorEntryPoint, bool)
	GetDescription() string
}

VMProcessor is an interface to the VM processor instance.

type VMProcessorEntryPoint 

type VMProcessorEntryPoint interface {
	Call(ctx interface{}) dict.Dict
	IsView() bool
}

VMProcessorEntryPoint is an abstract interface by which VM is called by passing the Sandbox interface

Source Files

View all Source files

Directories

Path Synopsis
package coreutil provides functions to describe interface of the core contract in a compact way
 package coreutil provides functions to describe interface of the core contract in a compact way

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