storage

package
v0.3.5-0...-5d4c0be Latest Latest
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 Go to latest Published: Aug 19, 2020 License: Apache-2.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// DefaultCacheSize is 0 MB.
	DefaultCacheSize = 0

	// DefaultBfCacheSize is 10 MB.
	DefaultBfCacheSize = 10 << 20

	// DefaultValueLogFileSize is 100 MB.
	DefaultValueLogFileSize = 100 << 20
)
View Source 
const (
	// BlockCounter is the number of added blocks.
	BlockCounter = "blocks"

	// OrphanCounter is the number of orphaned blocks.
	OrphanCounter = "orphans"

	// TransactionCounter is the number of processed transactions.
	TransactionCounter = "transactions"

	// OperationCounter is the number of processed operations.
	OperationCounter = "operations"

	// AddressesCreatedCounter is the number of created addresses.
	AddressesCreatedCounter = "addresses_created"

	// TransactionsCreatedCounter is the number of created transactions.
	TransactionsCreatedCounter = "transactions_created"

	// TransactionsConfirmedCounter is the number of confirmed transactions.
	TransactionsConfirmedCounter = "transactions_confirmed"

	// StaleBroadcastsCounter is the number of transaction broadcasts that
	// never appeared on-chain.
	StaleBroadcastsCounter = "stale_broadcasts"

	// FailedBroadcastsCounter is the number of transaction broadcasts that
	// never made it on-chain after retries.
	FailedBroadcastsCounter = "failed_broadcasts"

	// ActiveReconciliationCounter is the number of active
	// reconciliations performed.
	ActiveReconciliationCounter = "active_reconciliations"

	// InactiveReconciliationCounter is the number of inactive
	// reconciliations performed.
	InactiveReconciliationCounter = "inactive_reconciliations"
)

Variables

View Source 
var (
	// ErrAccountNotFound is returned when an account
	// is not found in BalanceStorage.
	ErrAccountNotFound = errors.New("account not found")

	// ErrNegativeBalance is returned when an account
	// balance goes negative as the result of an operation.
	ErrNegativeBalance = errors.New("negative balance")
)
View Source 
var (
	// ErrHeadBlockNotFound is returned when there is no
	// head block found in BlockStorage.
	ErrHeadBlockNotFound = errors.New("head block not found")

	// ErrBlockNotFound is returned when a block is not
	// found in BlockStorage.
	ErrBlockNotFound = errors.New("block not found")

	// ErrDuplicateKey is returned when a key
	// cannot be stored because it is a duplicate.
	ErrDuplicateKey = errors.New("duplicate key")

	// ErrDuplicateTransactionHash is returned when a transaction
	// hash cannot be stored because it is a duplicate.
	ErrDuplicateTransactionHash = errors.New("duplicate transaction hash")
)
View Source 
var (
	// ErrAddrExists is returned when key storage already
	// contains an address.
	ErrAddrExists = errors.New("Address already exists")
)

Functions

func GetBalanceKey 

func GetBalanceKey(account *types.AccountIdentifier, currency *types.Currency) []byte

GetBalanceKey returns a deterministic hash of an types.Account + types.Currency.

Types

type BadgerStorage 

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

BadgerStorage is a wrapper around Badger DB that implements the Database interface.

func (*BadgerStorage) Close 

func (b *BadgerStorage) Close(ctx context.Context) error

Close closes the database to prevent corruption. The caller should defer this in main.

func (*BadgerStorage) Get 

func (b *BadgerStorage) Get(
	ctx context.Context,
	key []byte,
) (bool, []byte, error)

Get fetches the value of a key in its own transaction.

func (*BadgerStorage) NewDatabaseTransaction 

func (b *BadgerStorage) NewDatabaseTransaction(
	ctx context.Context,
	write bool,
) DatabaseTransaction

NewDatabaseTransaction creates a new BadgerTransaction. If the transaction will not modify any values, pass in false for the write parameter (this allows for optimization within the Badger DB).

func (*BadgerStorage) Scan 

func (b *BadgerStorage) Scan(
	ctx context.Context,
	prefix []byte,
) ([][]byte, error)

Scan fetches all items at a given prefix. This is typically used to get all items in a namespace.

func (*BadgerStorage) Set 

func (b *BadgerStorage) Set(
	ctx context.Context,
	key []byte,
	value []byte,
) error

Set changes the value of the key to the value in its own transaction.

type BadgerTransaction 

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

BadgerTransaction is a wrapper around a Badger DB transaction that implements the DatabaseTransaction interface.

func (*BadgerTransaction) Commit 

func (b *BadgerTransaction) Commit(context.Context) error

Commit attempts to commit and discard the transaction.

func (*BadgerTransaction) Delete 

func (b *BadgerTransaction) Delete(ctx context.Context, key []byte) error

Delete removes the key and its value within the transaction.

func (*BadgerTransaction) Discard 

func (b *BadgerTransaction) Discard(context.Context)

Discard discards an open transaction. All transactions must be either discarded or committed.

func (*BadgerTransaction) Get 

func (b *BadgerTransaction) Get(
	ctx context.Context,
	key []byte,
) (bool, []byte, error)

Get accesses the value of the key within a transaction.

func (*BadgerTransaction) Set 

func (b *BadgerTransaction) Set(
	ctx context.Context,
	key []byte,
	value []byte,
) error

Set changes the value of the key to the value within a transaction.

type BalanceStorage 

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

BalanceStorage implements block specific storage methods on top of a Database and DatabaseTransaction interface.

func NewBalanceStorage 

func NewBalanceStorage(
	db Database,
) *BalanceStorage

NewBalanceStorage returns a new BalanceStorage.

func (*BalanceStorage) AddingBlock 

func (b *BalanceStorage) AddingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

AddingBlock is called by BlockStorage when adding a block to storage.

func (*BalanceStorage) BootstrapBalances 

func (b *BalanceStorage) BootstrapBalances(
	ctx context.Context,
	bootstrapBalancesFile string,
	genesisBlockIdentifier *types.BlockIdentifier,
) error

BootstrapBalances is utilized to set the balance of any number of AccountIdentifiers at the genesis blocks. This is particularly useful for setting the value of accounts that received an allocation in the genesis block.

func (*BalanceStorage) GetAllAccountCurrency 

func (b *BalanceStorage) GetAllAccountCurrency(
	ctx context.Context,
) ([]*reconciler.AccountCurrency, error)

GetAllAccountCurrency scans the db for all balances and returns a slice of reconciler.AccountCurrency. This is useful for bootstrapping the reconciler after restart.

func (*BalanceStorage) GetBalance 

func (b *BalanceStorage) GetBalance(
	ctx context.Context,
	account *types.AccountIdentifier,
	currency *types.Currency,
	headBlock *types.BlockIdentifier,
) (*types.Amount, *types.BlockIdentifier, error)

GetBalance returns all the balances of a types.AccountIdentifier and the types.BlockIdentifier it was last updated at.

func (*BalanceStorage) Initialize 

func (b *BalanceStorage) Initialize(helper BalanceStorageHelper, handler BalanceStorageHandler)

Initialize adds a BalanceStorageHelper and BalanceStorageHandler to BalanceStorage. This must be called prior to syncing!

func (*BalanceStorage) Reconciled 

func (b *BalanceStorage) Reconciled(
	ctx context.Context,
	account *types.AccountIdentifier,
	currency *types.Currency,
	block *types.BlockIdentifier,
) error

Reconciled updates the LastReconciled field on a particular balance. Tracking reconciliation coverage is an important end condition.

func (*BalanceStorage) ReconciliationCoverage 

func (b *BalanceStorage) ReconciliationCoverage(
	ctx context.Context,
	minimumIndex int64,
) (float64, error)

ReconciliationCoverage returns the proportion of accounts [0.0, 1.0] that have been reconciled at an index >= to a minimumIndex.

func (*BalanceStorage) RemovingBlock 

func (b *BalanceStorage) RemovingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

RemovingBlock is called by BlockStorage when removing a block from storage.

func (*BalanceStorage) SetBalance 

func (b *BalanceStorage) SetBalance(
	ctx context.Context,
	dbTransaction DatabaseTransaction,
	account *types.AccountIdentifier,
	amount *types.Amount,
	block *types.BlockIdentifier,
) error

SetBalance allows a client to set the balance of an account in a database transaction. This is particularly useful for bootstrapping balances.

func (*BalanceStorage) UpdateBalance 

func (b *BalanceStorage) UpdateBalance(
	ctx context.Context,
	dbTransaction DatabaseTransaction,
	change *parser.BalanceChange,
	parentBlock *types.BlockIdentifier,
) error

UpdateBalance updates a types.AccountIdentifer by a types.Amount and sets the account's most recent accessed block.

type BalanceStorageHandler 

type BalanceStorageHandler interface {
	BlockAdded(ctx context.Context, block *types.Block, changes []*parser.BalanceChange) error
	BlockRemoved(ctx context.Context, block *types.Block, changes []*parser.BalanceChange) error
}

BalanceStorageHandler is invoked after balance changes are committed to the database.

type BalanceStorageHelper 

type BalanceStorageHelper interface {
	AccountBalance(
		ctx context.Context,
		account *types.AccountIdentifier,
		currency *types.Currency,
		block *types.BlockIdentifier,
	) (*types.Amount, error)

	ExemptFunc() parser.ExemptOperation
	Asserter() *asserter.Asserter
}

BalanceStorageHelper functions are used by BalanceStorage to process balances. Defining an interface allows the client to determine if they wish to query the node for certain information or use another datastore.

type BlockStorage 

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

BlockStorage implements block specific storage methods on top of a Database and DatabaseTransaction interface.

func NewBlockStorage 

func NewBlockStorage(
	db Database,
) *BlockStorage

NewBlockStorage returns a new BlockStorage.

func (*BlockStorage) AddBlock 

func (b *BlockStorage) AddBlock(
	ctx context.Context,
	block *types.Block,
) error

AddBlock stores a block or returns an error.

func (*BlockStorage) AtTip 

func (b *BlockStorage) AtTip(
	ctx context.Context,
	tipDelay int64,
) (bool, *types.BlockIdentifier, error)

AtTip returns a boolean indicating if we are at tip (provided some acceptable tip delay).

func (*BlockStorage) CreateBlockCache 

func (b *BlockStorage) CreateBlockCache(ctx context.Context) []*types.BlockIdentifier

CreateBlockCache populates a slice of blocks with the most recent ones in storage.

func (*BlockStorage) FindTransaction 

func (b *BlockStorage) FindTransaction(
	ctx context.Context,
	transactionIdentifier *types.TransactionIdentifier,
	txn DatabaseTransaction,
) (*types.BlockIdentifier, *types.Transaction, error)

FindTransaction returns the most recent *types.BlockIdentifier containing the transaction and the transaction.

func (*BlockStorage) GetBlock 

func (b *BlockStorage) GetBlock(
	ctx context.Context,
	blockIdentifier *types.PartialBlockIdentifier,
) (*types.Block, error)

GetBlock returns a block, if it exists.

func (*BlockStorage) GetHeadBlockIdentifier 

func (b *BlockStorage) GetHeadBlockIdentifier(
	ctx context.Context,
) (*types.BlockIdentifier, error)

GetHeadBlockIdentifier returns the head block identifier, if it exists.

func (*BlockStorage) GetHeadBlockIdentifierTransactional 

func (b *BlockStorage) GetHeadBlockIdentifierTransactional(
	ctx context.Context,
	transaction DatabaseTransaction,
) (*types.BlockIdentifier, error)

GetHeadBlockIdentifierTransactional returns the head block identifier, if it exists, in the context of a DatabaseTransaction.

func (*BlockStorage) Initialize 

func (b *BlockStorage) Initialize(workers []BlockWorker)

Initialize adds a []BlockWorker to BlockStorage. Usually all block workers are not created by the time block storage is constructed.

This must be called prior to syncing!

func (*BlockStorage) RemoveBlock 

func (b *BlockStorage) RemoveBlock(
	ctx context.Context,
	blockIdentifier *types.BlockIdentifier,
) error

RemoveBlock removes a block or returns an error. RemoveBlock also removes the block hash and all its transaction hashes to not break duplicate detection. This is called within a re-org.

func (*BlockStorage) SetNewStartIndex 

func (b *BlockStorage) SetNewStartIndex(
	ctx context.Context,
	startIndex int64,
) error

SetNewStartIndex attempts to remove all blocks greater than or equal to the startIndex.

func (*BlockStorage) StoreHeadBlockIdentifier 

func (b *BlockStorage) StoreHeadBlockIdentifier(
	ctx context.Context,
	transaction DatabaseTransaction,
	blockIdentifier *types.BlockIdentifier,
) error

StoreHeadBlockIdentifier stores a block identifier or returns an error.

type BlockWorker 

type BlockWorker interface {
	AddingBlock(context.Context, *types.Block, DatabaseTransaction) (CommitWorker, error)
	RemovingBlock(context.Context, *types.Block, DatabaseTransaction) (CommitWorker, error)
}

BlockWorker is an interface that allows for work to be done while a block is added/removed from storage in the same database transaction as the change.

type BootstrapBalance 

type BootstrapBalance struct {
	Account  *types.AccountIdentifier `json:"account_identifier,omitempty"`
	Currency *types.Currency          `json:"currency,omitempty"`
	Value    string                   `json:"value,omitempty"`
}

BootstrapBalance represents a balance of a *types.AccountIdentifier and a *types.Currency in the genesis block.

type Broadcast 

type Broadcast struct {
	Identifier    *types.TransactionIdentifier `json:"identifier"`
	Sender        string                       `json:"sender"`
	Intent        []*types.Operation           `json:"intent"`
	Payload       string                       `json:"payload"`
	LastBroadcast *types.BlockIdentifier       `json:"broadcast_at"`
	Broadcasts    int                          `json:"broadcasts"`
}

Broadcast is persisted to the db to track transaction broadcast.

type BroadcastStorage 

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

BroadcastStorage implements storage methods for managing transaction broadcast.

func NewBroadcastStorage 

func NewBroadcastStorage(
	db Database,
	confirmationDepth int64,
	staleDepth int64,
	broadcastLimit int,
	tipDelay int64,
	broadcastBehindTip bool,
	blockBroadcastLimit int,
) *BroadcastStorage

NewBroadcastStorage returns a new BroadcastStorage.

func (*BroadcastStorage) AddingBlock 

func (b *BroadcastStorage) AddingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

AddingBlock is called by BlockStorage when adding a block.

func (*BroadcastStorage) Broadcast 

func (b *BroadcastStorage) Broadcast(
	ctx context.Context,
	sender string,
	intent []*types.Operation,
	transactionIdentifier *types.TransactionIdentifier,
	payload string,
) error

Broadcast is called when a caller wants a transaction to be broadcast and tracked. The caller SHOULD NOT broadcast the transaction before calling this function.

func (*BroadcastStorage) BroadcastAll 

func (b *BroadcastStorage) BroadcastAll(ctx context.Context, onlyEligible bool) error

BroadcastAll broadcasts all transactions in BroadcastStorage. If onlyEligible is set to true, then only transactions that should be broadcast again are actually broadcast.

func (*BroadcastStorage) ClearBroadcasts 

func (b *BroadcastStorage) ClearBroadcasts(ctx context.Context) ([]*Broadcast, error)

ClearBroadcasts deletes all in-progress broadcasts from BroadcastStorage. This is useful when there is some construction error and all pending broadcasts will fail and should be cleared instead of re-attempting.

func (*BroadcastStorage) GetAllBroadcasts 

func (b *BroadcastStorage) GetAllBroadcasts(ctx context.Context) ([]*Broadcast, error)

GetAllBroadcasts returns all currently in-process broadcasts.

func (*BroadcastStorage) Initialize 

func (b *BroadcastStorage) Initialize(
	helper BroadcastStorageHelper,
	handler BroadcastStorageHandler,
)

Initialize adds a BroadcastStorageHelper and BroadcastStorageHandler to BroadcastStorage. This must be called prior to syncing!

func (*BroadcastStorage) LockedAddresses 

func (b *BroadcastStorage) LockedAddresses(ctx context.Context) ([]string, error)

LockedAddresses returns all addresses currently active in transaction broadcasts. The caller SHOULD NOT broadcast a transaction from an account if it is considered locked!

func (*BroadcastStorage) RemovingBlock 

func (b *BroadcastStorage) RemovingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

RemovingBlock is called by BlockStorage when removing a block. TODO: error if transaction removed after confirmed (means confirmation depth not deep enough)

type BroadcastStorageHandler 

type BroadcastStorageHandler interface {
	// TransactionConfirmed is called when a transaction is observed on-chain for the
	// last time at a block height < current block height - confirmationDepth.
	TransactionConfirmed(
		context.Context,
		*types.BlockIdentifier,
		*types.Transaction,
		[]*types.Operation,
	) error // can use locked account again + confirm matches intent + update logger

	// TransactionStale is called when a transaction has not yet been
	// seen on-chain and is considered stale. This occurs when
	// current block height - last broadcast > staleDepth.
	TransactionStale(
		context.Context,
		*types.TransactionIdentifier,
	) error // log in counter (rebroadcast should occur here)

	// BroadcastFailed is called when another transaction broadcast would
	// put it over the provided broadcast limit.
	BroadcastFailed(
		context.Context,
		*types.TransactionIdentifier,
		[]*types.Operation,
	) error
}

BroadcastStorageHandler is invoked when a transaction is confirmed on-chain or when a transaction is considered stale.

type BroadcastStorageHelper 

type BroadcastStorageHelper interface {
	// CurrentBlockIdentifier is called before transaction broadcast and is used
	// to determine if a transaction broadcast is stale.
	CurrentBlockIdentifier(
		context.Context,
	) (*types.BlockIdentifier, error) // used to determine if should rebroadcast

	// AtTip is called before transaction broadcast to determine if we are at tip.
	AtTip(
		context.Context,
		int64,
	) (bool, error)

	// FindTransaction looks for the provided TransactionIdentifier in processed
	// blocks and returns the block identifier containing the most recent sighting
	// and the transaction seen in that block.
	FindTransaction(
		context.Context,
		*types.TransactionIdentifier,
		DatabaseTransaction,
	) (*types.BlockIdentifier, *types.Transaction, error) // used to confirm

	// BroadcastTransaction broadcasts a transaction to a Rosetta implementation
	// and returns the *types.TransactionIdentifier returned by the implementation.
	BroadcastTransaction(
		context.Context,
		string,
	) (*types.TransactionIdentifier, error) // handle initial broadcast + confirm matches provided + rebroadcast if stale
}

BroadcastStorageHelper is used by BroadcastStorage to submit transactions and find said transaction in blocks on-chain.

type CoinStorage 

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

CoinStorage implements storage methods for storing UTXOs.

func NewCoinStorage 

func NewCoinStorage(
	db Database,
	helper CoinStorageHelper,
	asserter *asserter.Asserter,
) *CoinStorage

NewCoinStorage returns a new CoinStorage.

func (*CoinStorage) AddingBlock 

func (c *CoinStorage) AddingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

AddingBlock is called by BlockStorage when adding a block.

func (*CoinStorage) GetCoins 

func (c *CoinStorage) GetCoins(
	ctx context.Context,
	accountIdentifier *types.AccountIdentifier,
) ([]*types.Coin, *types.BlockIdentifier, error)

GetCoins returns all unspent coins for a provided *types.AccountIdentifier.

func (*CoinStorage) GetLargestCoin 

func (c *CoinStorage) GetLargestCoin(
	ctx context.Context,
	accountIdentifier *types.AccountIdentifier,
	currency *types.Currency,
) (*big.Int, *types.CoinIdentifier, *types.BlockIdentifier, error)

GetLargestCoin returns the largest Coin for a *types.AccountIdentifier and *types.Currency. If no Coins are available, a 0 balance is returned.

func (*CoinStorage) RemovingBlock 

func (c *CoinStorage) RemovingBlock(
	ctx context.Context,
	block *types.Block,
	transaction DatabaseTransaction,
) (CommitWorker, error)

RemovingBlock is called by BlockStorage when removing a block.

type CoinStorageHelper 

type CoinStorageHelper interface {
	// CurrentBlockIdentifier is called while fetching coins in a single
	// database transaction to return the *types.BlockIdentifier where
	// the Coin set is valid.
	CurrentBlockIdentifier(
		context.Context,
		DatabaseTransaction,
	) (*types.BlockIdentifier, error)
}

CoinStorageHelper is used by CoinStorage to determine at which block a Coin set is valid.

type CommitWorker 

type CommitWorker func(context.Context) error

CommitWorker is returned by a BlockWorker to be called after changes have been committed. It is common to put logging activities in here (that shouldn't be printed until the block is committed).

type CounterStorage 

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

CounterStorage implements counter-specific storage methods on top of a Database and DatabaseTransaction interface.

func NewCounterStorage 

func NewCounterStorage(
	db Database,
) *CounterStorage

NewCounterStorage returns a new CounterStorage.

func (*CounterStorage) Get 

func (c *CounterStorage) Get(ctx context.Context, counter string) (*big.Int, error)

Get returns the current value of a counter.

func (*CounterStorage) Update 

func (c *CounterStorage) Update(
	ctx context.Context,
	counter string,
	amount *big.Int,
) (*big.Int, error)

Update updates the value of a counter by amount and returns the new value.

type Database 

type Database interface {
	NewDatabaseTransaction(context.Context, bool) DatabaseTransaction
	Close(context.Context) error
	Set(context.Context, []byte, []byte) error
	Get(context.Context, []byte) (bool, []byte, error)
	Scan(ctx context.Context, prefix []byte) ([][]byte, error)
}

Database is an interface that provides transactional access to a KV store.

func NewBadgerStorage 

func NewBadgerStorage(ctx context.Context, dir string, disableMemoryLimit bool) (Database, error)

NewBadgerStorage creates a new BadgerStorage.

type DatabaseTransaction 

type DatabaseTransaction interface {
	Set(context.Context, []byte, []byte) error
	Get(context.Context, []byte) (bool, []byte, error)
	Delete(context.Context, []byte) error
	Commit(context.Context) error
	Discard(context.Context)
}

DatabaseTransaction is an interface that provides access to a KV store within some transaction context provided by a Database.

type Key 

type Key struct {
	Address string        `json:"address"`
	KeyPair *keys.KeyPair `json:"keypair"`
}

Key is the struct stored in key storage. This is public so that accounts can be loaded from a configuration file.

type KeyStorage 

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

KeyStorage implements key storage methods on top of a Database and DatabaseTransaction interface.

func NewKeyStorage 

func NewKeyStorage(
	db Database,
) *KeyStorage

NewKeyStorage returns a new KeyStorage.

func (*KeyStorage) Get 

func (k *KeyStorage) Get(ctx context.Context, address string) (*keys.KeyPair, error)

Get returns a *keys.KeyPair for an address, if it exists.

func (*KeyStorage) GetAllAddresses 

func (k *KeyStorage) GetAllAddresses(ctx context.Context) ([]string, error)

GetAllAddresses returns all addresses in key storage.

func (*KeyStorage) ImportAccounts 

func (k *KeyStorage) ImportAccounts(ctx context.Context, accounts []*PrefundedAccount) error

ImportAccounts loads a set of prefunded accounts into key storage.

func (*KeyStorage) RandomAddress 

func (k *KeyStorage) RandomAddress(ctx context.Context) (string, error)

RandomAddress returns a random address from all addresses.

func (*KeyStorage) Sign 

func (k *KeyStorage) Sign(
	ctx context.Context,
	payloads []*types.SigningPayload,
) ([]*types.Signature, error)

Sign attempts to sign a slice of *types.SigningPayload with the keys in KeyStorage.

func (*KeyStorage) Store 

func (k *KeyStorage) Store(ctx context.Context, address string, keyPair *keys.KeyPair) error

Store saves a keys.KeyPair for a given address. If the address already exists, an error is returned.

type PrefundedAccount 

type PrefundedAccount struct {
	PrivateKeyHex string          `json:"privkey"`
	Address       string          `json:"address"`
	CurveType     types.CurveType `json:"curve_type"`
}

PrefundedAccount is used to load prefunded addresses into key storage.

Source Files

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