evm

package
v0.0.0-...-55fbe73 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 24, 2022 License: LGPL-3.0 Imports: 75 Imported by: 0

Documentation

Overview

(c) 2020-2021, Ava Labs, Inc. See the file LICENSE for licensing terms.

Index

Constants

View Source 
const (
	GenesisTestAddr = "0x751a0b96e1042bee789452ecb20253fba40dbe85"
	GenesisTestKey  = "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
)

test constants

Variables

View Source 
var (
	TxBytesGas   uint64 = 1
	EVMOutputGas uint64 = (common.AddressLength + wrappers.LongLen + hashing.HashLen) * TxBytesGas
	EVMInputGas  uint64 = (common.AddressLength+wrappers.LongLen+hashing.HashLen+wrappers.LongLen)*TxBytesGas + secp256k1fx.CostPerSignature
)

Constants for calculating the gas consumed by atomic transactions

View Source 
var (
	// GitCommit is set by the build script
	GitCommit string
	// Version is the version of Coreth
	Version string
)
View Source 
var Codec codec.Manager

Codec does serialization and deserialization

View Source 
var (
	// ID this VM should be referenced by
	ID = ids.ID{'e', 'v', 'm'}
)

Functions

func FormatEthAddress 

func FormatEthAddress(addr common.Address) string

FormatEthAddress formats [addr] into a string

func GetEthAddress 

func GetEthAddress(privKey *crypto.PrivateKeySECP256K1R) common.Address

GetEthAddress returns the ethereum address derived from [privKey]

func IsSortedAndUniqueEVMInputs 

func IsSortedAndUniqueEVMInputs(inputs []EVMInput) bool

IsSortedAndUniqueEVMInputs returns true if the EVM Inputs are sorted and unique based on the account addresses

func IsSortedAndUniqueEVMOutputs 

func IsSortedAndUniqueEVMOutputs(outputs []EVMOutput) bool

IsSortedAndUniqueEVMOutputs returns true if the EVMOutputs are sorted and unique based on the account addresses and assetIDs

func IsSortedEVMOutputs 

func IsSortedEVMOutputs(outputs []EVMOutput) bool

IsSortedEVMOutputs returns true if the EVMOutputs are sorted based on the account addresses and assetIDs

func ParseEthAddress 

func ParseEthAddress(addrStr string) (common.Address, error)

ParseEthAddress parses [addrStr] and returns an Ethereum address

func PublicKeyToEthAddress 

func PublicKeyToEthAddress(pubKey *crypto.PublicKeySECP256K1R) common.Address

PublicKeyToEthAddress returns the ethereum address derived from [pubKey]

func SortEVMInputsAndSigners 

func SortEVMInputsAndSigners(inputs []EVMInput, signers [][]*crypto.PrivateKeySECP256K1R)

SortEVMInputsAndSigners sorts the list of EVMInputs based on the addresses and assetIDs

func SortEVMOutputs 

func SortEVMOutputs(outputs []EVMOutput)

SortEVMOutputs sorts the list of EVMOutputs based on the addresses and assetIDs of the outputs

Types

type Admin 

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

Admin is the API service for admin API calls

func NewAdminService 

func NewAdminService(vm *VM, performanceDir string) *Admin

func (*Admin) LockProfile 

func (p *Admin) LockProfile(r *http.Request, args *struct{}, reply *api.SuccessResponse) error

LockProfile runs a mutex profile writing to the specified file

func (*Admin) MemoryProfile 

func (p *Admin) MemoryProfile(r *http.Request, args *struct{}, reply *api.SuccessResponse) error

MemoryProfile runs a memory profile writing to the specified file

func (*Admin) SetLogLevel 

func (p *Admin) SetLogLevel(r *http.Request, args *SetLogLevelArgs, reply *api.SuccessResponse) error

func (*Admin) StartCPUProfiler 

func (p *Admin) StartCPUProfiler(r *http.Request, args *struct{}, reply *api.SuccessResponse) error

StartCPUProfiler starts a cpu profile writing to the specified file

func (*Admin) StopCPUProfiler 

func (p *Admin) StopCPUProfiler(r *http.Request, args *struct{}, reply *api.SuccessResponse) error

StopCPUProfiler stops the cpu profile

type AtomicTxRepository 

type AtomicTxRepository interface {
	GetIndexHeight() (uint64, error)
	GetByTxID(txID ids.ID) (*Tx, uint64, error)
	GetByHeight(height uint64) ([]*Tx, error)
	Write(height uint64, txs []*Tx) error
	IterateByHeight([]byte) database.Iterator
}

AtomicTxRepository defines an entity that manages storage and indexing of atomic transactions

func NewAtomicTxRepository 

func NewAtomicTxRepository(db *versiondb.Database, codec codec.Manager, lastAcceptedHeight uint64) (AtomicTxRepository, error)

type Batch 

type Batch struct{ database.Batch }

Batch implements ethdb.Batch

func (Batch) Replay 

func (batch Batch) Replay(w ethdb.KeyValueWriter) error

Replay implements ethdb.Batch

func (Batch) ValueSize 

func (batch Batch) ValueSize() int

ValueSize implements ethdb.Batch

type Block 

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

Block implements the snowman.Block interface

func (*Block) Accept 

func (b *Block) Accept() error

Accept implements the snowman.Block interface

func (*Block) Bytes 

func (b *Block) Bytes() []byte

Bytes implements the snowman.Block interface

func (*Block) Height 

func (b *Block) Height() uint64

Height implements the snowman.Block interface

func (*Block) ID 

func (b *Block) ID() ids.ID

ID implements the snowman.Block interface

func (*Block) Parent 

func (b *Block) Parent() ids.ID

Parent implements the snowman.Block interface

func (*Block) Reject 

func (b *Block) Reject() error

Reject implements the snowman.Block interface If [b] contains an atomic transaction, attempt to re-issue it

func (*Block) SetStatus 

func (b *Block) SetStatus(status choices.Status)

SetStatus implements the InternalBlock interface allowing ChainState to set the status on an existing block

func (*Block) Status 

func (b *Block) Status() choices.Status

Status implements the snowman.Block interface

func (*Block) String 

func (b *Block) String() string

func (*Block) Timestamp 

func (b *Block) Timestamp() time.Time

Timestamp implements the snowman.Block interface

func (*Block) Verify 

func (b *Block) Verify() error

Verify implements the snowman.Block interface

type BlockValidator 

type BlockValidator interface {
	SyntacticVerify(b *Block) error
}

type BuildGenesisReply 

type BuildGenesisReply struct {
	Bytes    string              `json:"bytes"`
	Encoding formatting.Encoding `json:"encoding"`
}

BuildGenesisReply is the reply from BuildGenesis

type Client 

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

Client ...

func NewCChainClient 

func NewCChainClient(uri string, requestTimeout time.Duration) *Client

NewCChainClient returns a Client for interacting with the C Chain

func NewClient 

func NewClient(uri, chain string, requestTimeout time.Duration) *Client

NewClient returns a Client for interacting with EVM chain

func (*Client) Export 

func (c *Client) Export(
	user api.UserPass,
	amount uint64,
	to string,
	assetID string,
) (ids.ID, error)

Export sends an asset from this chain to the P/C-Chain. After this tx is accepted, the DJTX must be imported to the P/C-chain with an importTx. Returns the ID of the newly created atomic transaction

func (*Client) ExportDJTX 

func (c *Client) ExportDJTX(
	user api.UserPass,
	amount uint64,
	to string,
) (ids.ID, error)

ExportDJTX sends DJTX from this chain to the address specified by [to]. Returns the ID of the newly created atomic transaction

func (*Client) ExportKey 

func (c *Client) ExportKey(user api.UserPass, addr string) (string, string, error)

ExportKey returns the private key corresponding to [addr] controlled by [user] in both Avalanche standard format and hex format

func (*Client) GetAtomicTx 

func (c *Client) GetAtomicTx(txID ids.ID) ([]byte, error)

GetAtomicTx returns the byte representation of [txID]

func (*Client) GetAtomicTxStatus 

func (c *Client) GetAtomicTxStatus(txID ids.ID) (Status, error)

GetAtomicTxStatus returns the status of [txID]

func (*Client) GetAtomicUTXOs 

func (c *Client) GetAtomicUTXOs(addrs []string, sourceChain string, limit uint32, startAddress, startUTXOID string) ([][]byte, api.Index, error)

GetAtomicUTXOs returns the byte representation of the atomic UTXOs controlled by [addresses] from [sourceChain]

func (*Client) Import 

func (c *Client) Import(user api.UserPass, to, sourceChain string) (ids.ID, error)

Import sends an import transaction to import funds from [sourceChain] and returns the ID of the newly created transaction

func (*Client) ImportKey 

func (c *Client) ImportKey(user api.UserPass, privateKey string) (string, error)

ImportKey imports [privateKey] to [user]

func (*Client) IssueTx 

func (c *Client) IssueTx(txBytes []byte) (ids.ID, error)

IssueTx issues a transaction to a node and returns the TxID

func (*Client) ListAddresses 

func (c *Client) ListAddresses(user api.UserPass) ([]string, error)

ListAddresses returns all addresses on this chain controlled by [user]

func (*Client) LockProfile 

func (c *Client) LockProfile() (bool, error)

func (*Client) MemoryProfile 

func (c *Client) MemoryProfile() (bool, error)

func (*Client) SetLogLevel 

func (c *Client) SetLogLevel(level log.Lvl) (bool, error)

SetLogLevel dynamically sets the log level for the C Chain

func (*Client) StartCPUProfiler 

func (c *Client) StartCPUProfiler() (bool, error)

func (*Client) StopCPUProfiler 

func (c *Client) StopCPUProfiler() (bool, error)

type Config 

type Config struct {
	// Coreth APIs
	SnowmanAPIEnabled     bool   `json:"snowman-api-enabled"`
	CorethAdminAPIEnabled bool   `json:"coreth-admin-api-enabled"`
	CorethAdminAPIDir     string `json:"coreth-admin-api-dir"`

	// EnabledEthAPIs is a list of Ethereum services that should be enabled
	// If none is specified, then we use the default list [defaultEnabledAPIs]
	EnabledEthAPIs []string `json:"eth-apis"`

	// Continuous Profiler
	ContinuousProfilerDir       string   `json:"continuous-profiler-dir"`       // If set to non-empty string creates a continuous profiler
	ContinuousProfilerFrequency Duration `json:"continuous-profiler-frequency"` // Frequency to run continuous profiler if enabled
	ContinuousProfilerMaxFiles  int      `json:"continuous-profiler-max-files"` // Maximum number of files to maintain

	// Coreth API Gas/Price Caps
	RPCGasCap   uint64  `json:"rpc-gas-cap"`
	RPCTxFeeCap float64 `json:"rpc-tx-fee-cap"`

	// Eth Settings
	Preimages      bool `json:"preimages-enabled"`
	Pruning        bool `json:"pruning-enabled"`
	SnapshotAsync  bool `json:"snapshot-async"`
	SnapshotVerify bool `json:"snapshot-verification-enabled"`

	// Metric Settings
	MetricsEnabled          bool `json:"metrics-enabled"`
	MetricsExpensiveEnabled bool `json:"metrics-expensive-enabled"`

	// API Settings
	LocalTxsEnabled         bool     `json:"local-txs-enabled"`
	APIMaxDuration          Duration `json:"api-max-duration"`
	WSCPURefillRate         Duration `json:"ws-cpu-refill-rate"`
	WSCPUMaxStored          Duration `json:"ws-cpu-max-stored"`
	MaxBlocksPerRequest     int64    `json:"api-max-blocks-per-request"`
	AllowUnfinalizedQueries bool     `json:"allow-unfinalized-queries"`
	AllowUnprotectedTxs     bool     `json:"allow-unprotected-txs"`

	// Keystore Settings
	KeystoreDirectory             string `json:"keystore-directory"` // both absolute and relative supported
	KeystoreExternalSigner        string `json:"keystore-external-signer"`
	KeystoreInsecureUnlockAllowed bool   `json:"keystore-insecure-unlock-allowed"`

	// Gossip Settings
	RemoteTxGossipOnlyEnabled bool     `json:"remote-tx-gossip-only-enabled"`
	TxRegossipFrequency       Duration `json:"tx-regossip-frequency"`
	TxRegossipMaxSize         int      `json:"tx-regossip-max-size"`

	// Log level
	LogLevel string `json:"log-level"`
}

Config ...

func (Config) EthAPIs 

func (c Config) EthAPIs() []string

EthAPIs returns an array of strings representing the Eth APIs that should be enabled

func (Config) EthBackendSettings 

func (c Config) EthBackendSettings() eth.Settings

func (*Config) SetDefaults 

func (c *Config) SetDefaults()

type Database 

type Database struct{ database.Database }

Database implements ethdb.Database

func (Database) NewBatch 

func (db Database) NewBatch() ethdb.Batch

NewBatch implements ethdb.Database

func (Database) NewIterator 

func (db Database) NewIterator(prefix []byte, start []byte) ethdb.Iterator

NewIterator implements ethdb.Database

Note: This method assumes that the prefix is NOT part of the start, so there's no need for the caller to prepend the prefix to the start.

func (Database) NewIteratorWithStart 

func (db Database) NewIteratorWithStart(start []byte) ethdb.Iterator

NewIteratorWithStart implements ethdb.Database

type DjtxAPI 

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

DjtxAPI offers Avalanche network related API methods

func (*DjtxAPI) Export 

func (service *DjtxAPI) Export(_ *http.Request, args *ExportArgs, response *api.JSONTxID) error

Export exports an asset from the C-Chain to the X-Chain It must be imported on the X-Chain to complete the transfer

func (*DjtxAPI) ExportDJTX 

func (service *DjtxAPI) ExportDJTX(_ *http.Request, args *ExportDJTXArgs, response *api.JSONTxID) error

ExportDJTX exports DJTX from the C-Chain to the X-Chain It must be imported on the X-Chain to complete the transfer

func (*DjtxAPI) ExportKey 

func (service *DjtxAPI) ExportKey(r *http.Request, args *ExportKeyArgs, reply *ExportKeyReply) error

ExportKey returns a private key from the provided user

func (*DjtxAPI) GetAtomicTx 

func (service *DjtxAPI) GetAtomicTx(r *http.Request, args *api.GetTxArgs, reply *FormattedTx) error

GetAtomicTx returns the specified transaction

func (*DjtxAPI) GetAtomicTxStatus 

func (service *DjtxAPI) GetAtomicTxStatus(r *http.Request, args *api.JSONTxID, reply *GetAtomicTxStatusReply) error

GetAtomicTxStatus returns the status of the specified transaction

func (*DjtxAPI) GetUTXOs 

func (service *DjtxAPI) GetUTXOs(r *http.Request, args *api.GetUTXOsArgs, reply *api.GetUTXOsReply) error

GetUTXOs gets all utxos for passed in addresses

func (*DjtxAPI) Import 

func (service *DjtxAPI) Import(_ *http.Request, args *ImportArgs, response *api.JSONTxID) error

Import issues a transaction to import DJTX from the X-chain. The DJTX must have already been exported from the X-Chain.

func (*DjtxAPI) ImportDJTX 

func (service *DjtxAPI) ImportDJTX(_ *http.Request, args *ImportArgs, response *api.JSONTxID) error

ImportDJTX is a deprecated name for Import.

func (*DjtxAPI) ImportKey 

func (service *DjtxAPI) ImportKey(r *http.Request, args *ImportKeyArgs, reply *api.JSONAddress) error

ImportKey adds a private key to the provided user

func (*DjtxAPI) IssueTx 

func (service *DjtxAPI) IssueTx(r *http.Request, args *api.FormattedTx, response *api.JSONTxID) error

IssueTx ...

func (*DjtxAPI) Version 

func (service *DjtxAPI) Version(r *http.Request, args *struct{}, reply *VersionReply) error

ClientVersion returns the version of the VM running

type Duration 

type Duration struct {
	time.Duration
}

func (*Duration) UnmarshalJSON 

func (d *Duration) UnmarshalJSON(data []byte) (err error)

type EVMInput 

type EVMInput struct {
	Address common.Address `serialize:"true" json:"address"`
	Amount  uint64         `serialize:"true" json:"amount"`
	AssetID ids.ID         `serialize:"true" json:"assetID"`
	Nonce   uint64         `serialize:"true" json:"nonce"`
}

EVMInput defines an input created from the EVM state to fund export transactions

func (*EVMInput) Verify 

func (in *EVMInput) Verify() error

Verify ...

type EVMOutput 

type EVMOutput struct {
	Address common.Address `serialize:"true" json:"address"`
	Amount  uint64         `serialize:"true" json:"amount"`
	AssetID ids.ID         `serialize:"true" json:"assetID"`
}

EVMOutput defines an output that is added to the EVM state created by import transactions

func (*EVMOutput) Verify 

func (out *EVMOutput) Verify() error

Verify ...

type ExportArgs 

type ExportArgs struct {
	ExportDJTXArgs
	// AssetID of the tokens
	AssetID string `json:"assetID"`
}

ExportArgs are the arguments to Export

type ExportDJTXArgs 

type ExportDJTXArgs struct {
	api.UserPass

	// Fee that should be used when creating the tx
	BaseFee *hexutil.Big `json:"baseFee"`

	// Amount of asset to send
	Amount json.Uint64 `json:"amount"`

	// ID of the address that will receive the DJTX. This address includes the
	// chainID, which is used to determine what the destination chain is.
	To string `json:"to"`
}

ExportDJTXArgs are the arguments to ExportDJTX

type ExportKeyArgs 

type ExportKeyArgs struct {
	api.UserPass
	Address string `json:"address"`
}

ExportKeyArgs are arguments for ExportKey

type ExportKeyReply 

type ExportKeyReply struct {
	// The decrypted PrivateKey for the Address provided in the arguments
	PrivateKey    string `json:"privateKey"`
	PrivateKeyHex string `json:"privateKeyHex"`
}

ExportKeyReply is the response for ExportKey

type Factory 

type Factory struct{}

func (*Factory) New 

func (f *Factory) New(*snow.Context) (interface{}, error)

type FormattedTx 

type FormattedTx struct {
	api.FormattedTx
	BlockHeight *json.Uint64 `json:"blockHeight,omitempty"`
}

type GetAcceptedFrontReply 

type GetAcceptedFrontReply struct {
	Hash   common.Hash `json:"hash"`
	Number *big.Int    `json:"number"`
}

GetAcceptedFrontReply defines the reply that will be sent from the GetAcceptedFront API call

type GetAtomicTxStatusReply 

type GetAtomicTxStatusReply struct {
	Status      Status       `json:"status"`
	BlockHeight *json.Uint64 `json:"blockHeight,omitempty"`
}

GetAtomicTxStatusReply defines the GetAtomicTxStatus replies returned from the API

type GossipHandler 

type GossipHandler struct {
	message.NoopHandler
	// contains filtered or unexported fields
}

func (*GossipHandler) HandleAtomicTx 

func (h *GossipHandler) HandleAtomicTx(nodeID ids.ShortID, _ uint32, msg *message.AtomicTx) error

func (*GossipHandler) HandleEthTxs 

func (h *GossipHandler) HandleEthTxs(nodeID ids.ShortID, _ uint32, msg *message.EthTxs) error

type ImportArgs 

type ImportArgs struct {
	api.UserPass

	// Fee that should be used when creating the tx
	BaseFee *hexutil.Big `json:"baseFee"`

	// Chain the funds are coming from
	SourceChain string `json:"sourceChain"`

	// The address that will receive the imported funds
	To string `json:"to"`
}

ImportArgs are arguments for passing into Import requests

type ImportKeyArgs 

type ImportKeyArgs struct {
	api.UserPass
	PrivateKey string `json:"privateKey"`
}

ImportKeyArgs are arguments for ImportKey

type Mempool 

type Mempool struct {

	// DJTXAssetID is the fee paying currency of any atomic transaction
	DJTXAssetID ids.ID

	// Pending is a channel of length one, which the mempool ensures has an item on
	// it as long as there is an unissued transaction remaining in [txs]
	Pending chan struct{}
	// contains filtered or unexported fields
}

Mempool is a simple mempool for atomic transactions

func NewMempool 

func NewMempool(DJTXAssetID ids.ID, maxSize int) *Mempool

NewMempool returns a Mempool with [maxSize]

func (*Mempool) AddTx 

func (m *Mempool) AddTx(tx *Tx) error

Add attempts to add [tx] to the mempool and returns an error if it could not be addeed to the mempool.

func (*Mempool) CancelCurrentTx 

func (m *Mempool) CancelCurrentTx(txID ids.ID)

CancelCurrentTx marks the attempt to issue [txID] as being aborted. This should be called after NextTx returns [txID] and the transaction [txID] cannot be included in the block, but should not be discarded. For example, CancelCurrentTx should be called if including the transaction will put the block above the atomic tx gas limit.

func (*Mempool) CancelCurrentTxs 

func (m *Mempool) CancelCurrentTxs()

[CancelCurrentTxs] marks the attempt to issue [currentTxs] as being aborted. If this is called after a buildBlock error caused by the atomic transaction, then DiscardCurrentTx should have been called such that this call will have no effect and should not re-issue the invalid tx.

func (*Mempool) DiscardCurrentTx 

func (m *Mempool) DiscardCurrentTx(txID ids.ID)

DiscardCurrentTx marks a [tx] in the [currentTxs] map as invalid and aborts the attempt to issue it since it failed verification.

func (*Mempool) DiscardCurrentTxs 

func (m *Mempool) DiscardCurrentTxs()

DiscardCurrentTxs marks all txs in [currentTxs] as discarded.

func (*Mempool) ForceAddTx 

func (m *Mempool) ForceAddTx(tx *Tx) error

forceAddTx forcibly adds a *Tx to the mempool and bypasses all verification.

func (*Mempool) GetNewTxs 

func (m *Mempool) GetNewTxs() []*Tx

GetNewTxs returns the array of [newTxs] and replaces it with a new array.

func (*Mempool) GetPendingTx 

func (m *Mempool) GetPendingTx(txID ids.ID) (*Tx, bool)

GetPendingTx returns the transaction [txID] and true if it is currently in the [txHeap] waiting to be issued into a block. Returns nil, false otherwise.

func (*Mempool) GetTx 

func (m *Mempool) GetTx(txID ids.ID) (*Tx, bool, bool)

GetTx returns the transaction [txID] if it was issued by this node and returns whether it was dropped and whether it exists.

func (*Mempool) IssueCurrentTxs 

func (m *Mempool) IssueCurrentTxs()

IssueCurrentTx marks [currentTx] as issued if there is one

func (*Mempool) Len 

func (m *Mempool) Len() int

Len returns the number of transactions in the mempool

func (*Mempool) NextTx 

func (m *Mempool) NextTx() (*Tx, bool)

NextTx returns a transaction to be issued from the mempool.

func (*Mempool) RemoveTx 

func (m *Mempool) RemoveTx(txID ids.ID)

RemoveTx removes [txID] from the mempool completely.

type Network 

type Network interface {
	// Message handling
	AppRequestFailed(nodeID ids.ShortID, requestID uint32) error
	AppRequest(nodeID ids.ShortID, requestID uint32, deadline time.Time, msgBytes []byte) error
	AppResponse(nodeID ids.ShortID, requestID uint32, msgBytes []byte) error
	AppGossip(nodeID ids.ShortID, msgBytes []byte) error

	// Gossip entrypoints
	GossipAtomicTxs(txs []*Tx) error
	GossipEthTxs(txs []*types.Transaction) error
}

type SetLogLevelArgs 

type SetLogLevelArgs struct {
	Level string `json:"level"`
}

type SnowmanAPI 

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

SnowmanAPI introduces snowman specific functionality to the evm

func (*SnowmanAPI) GetAcceptedFront 

func (api *SnowmanAPI) GetAcceptedFront(ctx context.Context) (*GetAcceptedFrontReply, error)

GetAcceptedFront returns the last accepted block's hash and height

func (*SnowmanAPI) IssueBlock 

func (api *SnowmanAPI) IssueBlock(ctx context.Context) error

IssueBlock to the chain

type StaticService 

type StaticService struct{}

StaticService defines the static API services exposed by the evm

func (*StaticService) BuildGenesis 

func (*StaticService) BuildGenesis(_ context.Context, args *core.Genesis) (*BuildGenesisReply, error)

BuildGenesis returns the UTXOs such that at least one address in [args.Addresses] is referenced in the UTXO.

type Status 

type Status uint32

Status ... 

const (
	Unknown Status = iota
	Dropped
	Processing
	Accepted
)

List of possible status values Unknown Zero value, means the status is not known Dropped means the transaction was in the mempool, but was dropped because it failed verification Processing means the transaction is in the mempool Accepted means the transaction was accepted

func (Status) MarshalJSON 

func (s Status) MarshalJSON() ([]byte, error)

MarshalJSON ...

func (Status) String 

func (s Status) String() string

func (*Status) UnmarshalJSON 

func (s *Status) UnmarshalJSON(b []byte) error

UnmarshalJSON ...

func (Status) Valid 

func (s Status) Valid() error

Valid returns nil if the status is a valid status.

type TestTx 

type TestTx struct {
	GasUsedV          uint64
	AcceptRequestsV   *atomic.Requests
	VerifyV           error
	IDV               ids.ID `serialize:"true" json:"id"`
	BurnedV           uint64
	UnsignedBytesV    []byte
	BytesV            []byte
	InputUTXOsV       ids.Set
	SemanticVerifyV   error
	EVMStateTransferV error
	AtomicOpsV        map[ids.ID]*atomic.Requests
}

func (*TestTx) Accept 

func (t *TestTx) Accept() (ids.ID, *atomic.Requests, error)

Accept implements the UnsignedAtomicTx interface

func (*TestTx) AtomicOps 

func (t *TestTx) AtomicOps() (map[ids.ID]*atomic.Requests, error)

AtomicOps implements the UnsignedAtomicTx interface

func (*TestTx) Burned 

func (t *TestTx) Burned(assetID ids.ID) (uint64, error)

Burned implements the UnsignedAtomicTx interface

func (*TestTx) Bytes 

func (t *TestTx) Bytes() []byte

Bytes implements the UnsignedAtomicTx interface

func (*TestTx) EVMStateTransfer 

func (t *TestTx) EVMStateTransfer(ctx *snow.Context, state *state.StateDB) error

EVMStateTransfer implements the UnsignedAtomicTx interface

func (*TestTx) GasUsed 

func (t *TestTx) GasUsed(fixedFee bool) (uint64, error)

GasUsed implements the UnsignedAtomicTx interface

func (*TestTx) ID 

func (t *TestTx) ID() ids.ID

ID implements the UnsignedAtomicTx interface

func (*TestTx) Initialize 

func (t *TestTx) Initialize(unsignedBytes, signedBytes []byte)

Accept implements the UnsignedAtomicTx interface

func (*TestTx) InputUTXOs 

func (t *TestTx) InputUTXOs() ids.Set

ByInputUTXOs implements the UnsignedAtomicTx interface

func (*TestTx) SemanticVerify 

func (t *TestTx) SemanticVerify(vm *VM, stx *Tx, parent *Block, baseFee *big.Int, rules params.Rules) error

SemanticVerify implements the UnsignedAtomicTx interface

func (*TestTx) UnsignedBytes 

func (t *TestTx) UnsignedBytes() []byte

UnsignedBytes implements the UnsignedAtomicTx interface

func (*TestTx) Verify 

func (t *TestTx) Verify(ctx *snow.Context, rules params.Rules) error

Verify implements the UnsignedAtomicTx interface

type Tx 

type Tx struct {
	// The body of this transaction
	UnsignedAtomicTx `serialize:"true" json:"unsignedTx"`

	// The credentials of this transaction
	Creds []verify.Verifiable `serialize:"true" json:"credentials"`
}

Tx is a signed transaction

func ExtractAtomicTx 

func ExtractAtomicTx(atomicTxBytes []byte, codec codec.Manager) (*Tx, error)

ExtractAtomicTx extracts a singular atomic transaction from [atomicTxBytes] and returns a slice of atomic transactions for compatibility with the type returned post ApricotPhase5. Note: this function assumes [atomicTxBytes] is non-empty.

func ExtractAtomicTxs 

func ExtractAtomicTxs(atomicTxBytes []byte, batch bool, codec codec.Manager) ([]*Tx, error)

extractAtomicTxs returns the atomic transactions in [atomicTxBytes] if they exist. if [batch] is true, it attempts to unmarshal [atomicTxBytes] as a slice of transactions (post-ApricotPhase5), and if it is false, then it unmarshals it as a single atomic transaction.

func ExtractAtomicTxsBatch 

func ExtractAtomicTxsBatch(atomicTxBytes []byte, codec codec.Manager) ([]*Tx, error)

ExtractAtomicTxsBatch extracts a slice of atomic transactions from [atomicTxBytes]. Note: this function assumes [atomicTxBytes] is non-empty.

func (*Tx) BlockFeeContribution 

func (tx *Tx) BlockFeeContribution(fixedFee bool, djtxAssetID ids.ID, baseFee *big.Int) (*big.Int, *big.Int, error)

BlockFeeContribution calculates how much DJTX towards the block fee contribution was paid for via this transaction denominated in [djtxAssetID] with [baseFee] used to calculate the cost of this transaction. This function also returns the [gasUsed] by the transaction for inclusion in the [baseFee] algorithm.

func (*Tx) Sign 

func (tx *Tx) Sign(c codec.Manager, signers [][]*crypto.PrivateKeySECP256K1R) error

Sign this transaction with the provided signers

type UnsignedAtomicTx 

type UnsignedAtomicTx interface {
	UnsignedTx

	// UTXOs this tx consumes
	InputUTXOs() ids.Set
	// Verify attempts to verify that the transaction is well formed
	Verify(ctx *snow.Context, rules params.Rules) error
	// Attempts to verify this transaction with the provided state.
	SemanticVerify(vm *VM, stx *Tx, parent *Block, baseFee *big.Int, rules params.Rules) error

	// Accept this transaction with the additionally provided state transitions.
	Accept() (ids.ID, *atomic.Requests, error)

	EVMStateTransfer(ctx *snow.Context, state *state.StateDB) error
}

UnsignedAtomicTx is an unsigned operation that can be atomically accepted

type UnsignedExportTx 

type UnsignedExportTx struct {
	djtx.Metadata
	// ID of the network on which this tx was issued
	NetworkID uint32 `serialize:"true" json:"networkID"`
	// ID of this blockchain.
	BlockchainID ids.ID `serialize:"true" json:"blockchainID"`
	// Which chain to send the funds to
	DestinationChain ids.ID `serialize:"true" json:"destinationChain"`
	// Inputs
	Ins []EVMInput `serialize:"true" json:"inputs"`
	// Outputs that are exported to the chain
	ExportedOutputs []*djtx.TransferableOutput `serialize:"true" json:"exportedOutputs"`
}

UnsignedExportTx is an unsigned ExportTx

func (*UnsignedExportTx) Accept 

func (tx *UnsignedExportTx) Accept() (ids.ID, *atomic.Requests, error)

Accept this transaction.

func (*UnsignedExportTx) Burned 

func (tx *UnsignedExportTx) Burned(assetID ids.ID) (uint64, error)

Amount of [assetID] burned by this transaction

func (*UnsignedExportTx) EVMStateTransfer 

func (tx *UnsignedExportTx) EVMStateTransfer(ctx *snow.Context, state *state.StateDB) error

EVMStateTransfer executes the state update from the atomic export transaction

func (*UnsignedExportTx) GasUsed 

func (tx *UnsignedExportTx) GasUsed(fixedFee bool) (uint64, error)

func (*UnsignedExportTx) InputUTXOs 

func (tx *UnsignedExportTx) InputUTXOs() ids.Set

InputUTXOs returns a set of all the hash(address:nonce) exporting funds.

func (*UnsignedExportTx) SemanticVerify 

func (tx *UnsignedExportTx) SemanticVerify(
	vm *VM,
	stx *Tx,
	_ *Block,
	baseFee *big.Int,
	rules params.Rules,
) error

SemanticVerify this transaction is valid.

func (*UnsignedExportTx) Verify 

func (tx *UnsignedExportTx) Verify(
	ctx *snow.Context,
	rules params.Rules,
) error

Verify this transaction is well-formed

type UnsignedImportTx 

type UnsignedImportTx struct {
	djtx.Metadata
	// ID of the network on which this tx was issued
	NetworkID uint32 `serialize:"true" json:"networkID"`
	// ID of this blockchain.
	BlockchainID ids.ID `serialize:"true" json:"blockchainID"`
	// Which chain to consume the funds from
	SourceChain ids.ID `serialize:"true" json:"sourceChain"`
	// Inputs that consume UTXOs produced on the chain
	ImportedInputs []*djtx.TransferableInput `serialize:"true" json:"importedInputs"`
	// Outputs
	Outs []EVMOutput `serialize:"true" json:"outputs"`
}

UnsignedImportTx is an unsigned ImportTx

func (*UnsignedImportTx) Accept 

func (tx *UnsignedImportTx) Accept() (ids.ID, *atomic.Requests, error)

Accept this transaction and spend imported inputs We spend imported UTXOs here rather than in semanticVerify because we don't want to remove an imported UTXO in semanticVerify only to have the transaction not be Accepted. This would be inconsistent. Recall that imported UTXOs are not kept in a versionDB.

func (*UnsignedImportTx) Burned 

func (tx *UnsignedImportTx) Burned(assetID ids.ID) (uint64, error)

Amount of [assetID] burned by this transaction

func (*UnsignedImportTx) EVMStateTransfer 

func (tx *UnsignedImportTx) EVMStateTransfer(ctx *snow.Context, state *state.StateDB) error

EVMStateTransfer performs the state transfer to increase the balances of accounts accordingly with the imported EVMOutputs

func (*UnsignedImportTx) GasUsed 

func (tx *UnsignedImportTx) GasUsed(fixedFee bool) (uint64, error)

func (*UnsignedImportTx) InputUTXOs 

func (tx *UnsignedImportTx) InputUTXOs() ids.Set

InputUTXOs returns the UTXOIDs of the imported funds

func (*UnsignedImportTx) SemanticVerify 

func (tx *UnsignedImportTx) SemanticVerify(
	vm *VM,
	stx *Tx,
	parent *Block,
	baseFee *big.Int,
	rules params.Rules,
) error

SemanticVerify this transaction is valid.

func (*UnsignedImportTx) Verify 

func (tx *UnsignedImportTx) Verify(
	ctx *snow.Context,
	rules params.Rules,
) error

Verify this transaction is well-formed

type UnsignedTx 

type UnsignedTx interface {
	Initialize(unsignedBytes, signedBytes []byte)
	ID() ids.ID
	GasUsed(fixedFee bool) (uint64, error)
	Burned(assetID ids.ID) (uint64, error)
	UnsignedBytes() []byte
	Bytes() []byte
}

UnsignedTx is an unsigned transaction

type VM 

type VM struct {

	// *chain.State helps to implement the VM interface by wrapping blocks
	// with an efficient caching layer.
	*chain.State
	// contains filtered or unexported fields
}

VM implements the snowman.ChainVM interface

func (*VM) AppGossip 

func (vm *VM) AppGossip(nodeID ids.ShortID, msg []byte) error

func (*VM) AppRequest 

func (vm *VM) AppRequest(nodeID ids.ShortID, requestID uint32, deadline time.Time, request []byte) error

func (*VM) AppRequestFailed 

func (vm *VM) AppRequestFailed(nodeID ids.ShortID, requestID uint32) error

func (*VM) AppResponse 

func (vm *VM) AppResponse(nodeID ids.ShortID, requestID uint32, response []byte) error

func (*VM) Bootstrapped 

func (vm *VM) Bootstrapped() error

Bootstrapped notifies this VM that the consensus engine has finished bootstrapping

func (*VM) Bootstrapping 

func (vm *VM) Bootstrapping() error

Bootstrapping notifies this VM that the consensus engine is performing bootstrapping

func (*VM) Clock 

func (vm *VM) Clock() *mockable.Clock

Clock implements the secp256k1fx interface

func (*VM) Codec 

func (vm *VM) Codec() codec.Manager

Codec implements the secp256k1fx interface

func (*VM) CodecRegistry 

func (vm *VM) CodecRegistry() codec.Registry

CodecRegistry implements the secp256k1fx interface

func (*VM) Connected 

func (vm *VM) Connected(id ids.ShortID, nodeVersion version.Application) error

func (*VM) CreateHandlers 

func (vm *VM) CreateHandlers() (map[string]*commonEng.HTTPHandler, error)

CreateHandlers makes new http handlers that can handle API calls

func (*VM) CreateStaticHandlers 

func (vm *VM) CreateStaticHandlers() (map[string]*commonEng.HTTPHandler, error)

CreateStaticHandlers makes new http handlers that can handle API calls

func (*VM) Disconnected 

func (vm *VM) Disconnected(nodeID ids.ShortID) error

func (*VM) FormatAddress 

func (vm *VM) FormatAddress(chainID ids.ID, addr ids.ShortID) (string, error)

FormatAddress takes in a chainID and a raw address and produces the formatted address

func (*VM) FormatLocalAddress 

func (vm *VM) FormatLocalAddress(addr ids.ShortID) (string, error)

FormatLocalAddress takes in a raw address and produces the formatted address

func (*VM) GetActivationTime 

func (vm *VM) GetActivationTime() time.Time

implements SnowmanPlusPlusVM interface

func (*VM) GetAtomicUTXOs 

func (vm *VM) GetAtomicUTXOs(
	chainID ids.ID,
	addrs ids.ShortSet,
	startAddr ids.ShortID,
	startUTXOID ids.ID,
	limit int,
) ([]*djtx.UTXO, ids.ShortID, ids.ID, error)

GetAtomicUTXOs returns the utxos that at least one of the provided addresses is referenced in.

func (*VM) GetCurrentNonce 

func (vm *VM) GetCurrentNonce(address common.Address) (uint64, error)

GetCurrentNonce returns the nonce associated with the address at the preferred block

func (*VM) GetSpendableDJTXWithFee 

func (vm *VM) GetSpendableDJTXWithFee(
	keys []*crypto.PrivateKeySECP256K1R,
	amount uint64,
	cost uint64,
	baseFee *big.Int,
) ([]EVMInput, [][]*crypto.PrivateKeySECP256K1R, error)

GetSpendableDJTXWithFee returns a list of EVMInputs and keys (in corresponding order) to total [amount] + [fee] of [DJTX] owned by [keys]. This function accounts for the added cost of the additional inputs needed to create the transaction and makes sure to skip any keys with a balance that is insufficient to cover the additional fee. Note: we return [][]*crypto.PrivateKeySECP256K1R even though each input corresponds to a single key, so that the signers can be passed in to [tx.Sign] which supports multiple keys on a single input.

func (*VM) GetSpendableFunds 

func (vm *VM) GetSpendableFunds(
	keys []*crypto.PrivateKeySECP256K1R,
	assetID ids.ID,
	amount uint64,
) ([]EVMInput, [][]*crypto.PrivateKeySECP256K1R, error)

GetSpendableFunds returns a list of EVMInputs and keys (in corresponding order) to total [amount] of [assetID] owned by [keys]. Note: we return [][]*crypto.PrivateKeySECP256K1R even though each input corresponds to a single key, so that the signers can be passed in to [tx.Sign] which supports multiple keys on a single input.

func (*VM) HealthCheck 

func (vm *VM) HealthCheck() (interface{}, error)

Health returns nil if this chain is healthy. Also returns details, which should be one of: string, []byte, map[string]string

func (*VM) Initialize 

func (vm *VM) Initialize(
	ctx *snow.Context,
	dbManager manager.Manager,
	genesisBytes []byte,
	upgradeBytes []byte,
	configBytes []byte,
	toEngine chan<- commonEng.Message,
	fxs []*commonEng.Fx,
	appSender commonEng.AppSender,
) error

func (*VM) Logger 

func (vm *VM) Logger() logging.Logger

Logger implements the secp256k1fx interface

func (*VM) NewBlockBuilder 

func (vm *VM) NewBlockBuilder(notifyBuildBlockChan chan<- commonEng.Message) *blockBuilder

func (*VM) NewNetwork 

func (vm *VM) NewNetwork(appSender commonEng.AppSender) Network

NewNetwork creates a new Network based on the [vm.chainConfig].

func (*VM) ParseAddress 

func (vm *VM) ParseAddress(addrStr string) (ids.ID, ids.ShortID, error)

ParseAddress takes in an address and produces the ID of the chain it's for the ID of the address

func (*VM) ParseLocalAddress 

func (vm *VM) ParseLocalAddress(addrStr string) (ids.ShortID, error)

ParseLocalAddress takes in an address for this chain and produces the ID

func (*VM) SetPreference 

func (vm *VM) SetPreference(blkID ids.ID) error

SetPreference sets what the current tail of the chain is

func (*VM) Shutdown 

func (vm *VM) Shutdown() error

Shutdown implements the snowman.ChainVM interface

func (*VM) Version 

func (vm *VM) Version() (string, error)

type VersionReply 

type VersionReply struct {
	Version string `json:"version"`
}

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