ledger

package
v1.4.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 6, 2022 License: MIT Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ScriptErrorInsufficientFund  = "INSUFFICIENT_FUND"
	ScriptErrorCompilationFailed = "COMPILATION_FAILED"
	ScriptErrorNoScript          = "NO_SCRIPT"
)
View Source 
const ResolverOptionsKey = `group:"_ledgerResolverOptions"`

Variables

View Source 
var DefaultContracts = []core.Contract{
	{
		Expr: &core.ExprGte{
			Op1: core.VariableExpr{
				Name: "balance",
			},
			Op2: core.ConstantExpr{
				Value: float64(0),
			},
		},
		Account: "*",
	},
}
View Source 
var DefaultResolverOptions = []ResolverOption{
	WithLocker(NewInMemoryLocker()),
	WithMonitor(&noOpMonitor{}),
}
View Source 
var NoOpLocker = LockerFn(func(ctx context.Context, name string) (Unlock, error) {
	return func(ctx context.Context) {}, nil
})

Functions

func IsConflictError added in v1.0.4 

func IsConflictError(err error) bool

func IsInsufficientFundError added in v1.0.4 

func IsInsufficientFundError(err error) bool

func IsLockError added in v1.3.0 

func IsLockError(err error) bool

func IsScriptError added in v1.0.5 

func IsScriptError(err error) bool

func IsTransactionCommitError added in v1.0.4 

func IsTransactionCommitError(err error) bool

func IsValidationError added in v1.0.4 

func IsValidationError(err error) bool

func MemoryLockModule added in v1.3.0 

func MemoryLockModule() fx.Option

func NoLockModule added in v1.3.0 

func NoLockModule() fx.Option

func ProvideResolverOption 

func ProvideResolverOption(provider interface{}) fx.Option

func ResolveModule 

func ResolveModule() fx.Option

Types

type ConflictError 

type ConflictError struct{}

func NewConflictError 

func NewConflictError() *ConflictError

func (ConflictError) Error 

func (e ConflictError) Error() string

func (ConflictError) Is added in v1.0.4 

func (e ConflictError) Is(err error) bool

type InMemoryLocker 

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

func NewInMemoryLocker 

func NewInMemoryLocker() *InMemoryLocker

func (*InMemoryLocker) Lock 

func (d *InMemoryLocker) Lock(ctx context.Context, ledger string) (Unlock, error)

type InsufficientFundError 

type InsufficientFundError struct {
	Asset string
}

func NewInsufficientFundError 

func NewInsufficientFundError(asset string) *InsufficientFundError

func (InsufficientFundError) Error 

func (e InsufficientFundError) Error() string

func (InsufficientFundError) Is added in v1.0.4 

func (e InsufficientFundError) Is(err error) bool

type Ledger 

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

func NewLedger 

func NewLedger(name string, store storage.Store, locker Locker, monitor Monitor) (*Ledger, error)

func (*Ledger) Close 

func (l *Ledger) Close(ctx context.Context) error

func (*Ledger) Commit 

func (l *Ledger) Commit(ctx context.Context, ts []core.TransactionData) (core.AggregatedVolumes, []core.Transaction, error)

func (*Ledger) CommitPreview added in v1.1.0 

func (l *Ledger) CommitPreview(ctx context.Context, ts []core.TransactionData) (core.AggregatedVolumes, []core.Transaction, error)

func (*Ledger) CountAccounts added in v1.3.2 

func (l *Ledger) CountAccounts(ctx context.Context, m ...query.Modifier) (uint64, error)

func (*Ledger) CountTransactions added in v1.3.2 

func (l *Ledger) CountTransactions(ctx context.Context, m ...query.Modifier) (uint64, error)

func (*Ledger) Execute 

func (l *Ledger) Execute(ctx context.Context, script core.Script) (*core.Transaction, error)

func (*Ledger) ExecutePreview added in v1.1.0 

func (l *Ledger) ExecutePreview(ctx context.Context, script core.Script) (*core.Transaction, error)

func (*Ledger) FindAccounts 

func (l *Ledger) FindAccounts(ctx context.Context, m ...query.Modifier) (sharedapi.Cursor, error)

func (*Ledger) FindTransactions 

func (l *Ledger) FindTransactions(ctx context.Context, m ...query.Modifier) (sharedapi.Cursor, error)

func (*Ledger) GetAccount 

func (l *Ledger) GetAccount(ctx context.Context, address string) (core.Account, error)

func (*Ledger) GetLastTransaction 

func (l *Ledger) GetLastTransaction(ctx context.Context) (core.Transaction, error)

TODO: This is only used for testing I think we should remove this and all related code We don't need any testing logic in the business code.

func (*Ledger) GetTransaction 

func (l *Ledger) GetTransaction(ctx context.Context, id uint64) (core.Transaction, error)

func (*Ledger) LoadMapping 

func (l *Ledger) LoadMapping(ctx context.Context) (*core.Mapping, error)

func (*Ledger) RevertTransaction 

func (l *Ledger) RevertTransaction(ctx context.Context, id uint64) (*core.Transaction, error)

func (*Ledger) SaveMapping 

func (l *Ledger) SaveMapping(ctx context.Context, mapping core.Mapping) error

func (*Ledger) SaveMeta 

func (l *Ledger) SaveMeta(ctx context.Context, targetType string, targetID interface{}, m core.Metadata) error

func (*Ledger) Stats 

func (l *Ledger) Stats(ctx context.Context) (Stats, error)

func (*Ledger) Verify 

func (l *Ledger) Verify() error

type LockError added in v1.3.0 

type LockError struct {
	Err error
}

func NewLockError added in v1.3.0 

func NewLockError(err error) *LockError

func (LockError) Error added in v1.3.0 

func (e LockError) Error() string

func (LockError) Is added in v1.3.0 

func (e LockError) Is(err error) bool

type Locker 

type Locker interface {
	Lock(ctx context.Context, name string) (Unlock, error)
}

type LockerFn added in v1.3.0 

type LockerFn func(ctx context.Context, name string) (Unlock, error)

func (LockerFn) Lock added in v1.3.0 

func (fn LockerFn) Lock(ctx context.Context, name string) (Unlock, error)

type Monitor added in v1.3.0 

type Monitor interface {
	CommittedTransactions(context.Context, string, []core.Transaction, core.AggregatedVolumes)
	SavedMetadata(ctx context.Context, ledger string, targetType string, id string, metadata core.Metadata)
	UpdatedMapping(context.Context, string, core.Mapping)
	RevertedTransaction(ctx context.Context, ledger string, reverted core.Transaction, revert core.Transaction)
}

type ResolveOptionFn 

type ResolveOptionFn func(r *Resolver) error

func WithLocker 

func WithLocker(locker Locker) ResolveOptionFn

func WithMonitor added in v1.3.0 

func WithMonitor(monitor Monitor) ResolveOptionFn

func WithStorageDriver added in v1.3.2 

func WithStorageDriver(factory storage.Driver) ResolveOptionFn

type Resolver 

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

func NewResolver 

func NewResolver(storageFactory storage.Driver, options ...ResolverOption) *Resolver

func (*Resolver) GetLedger 

func (r *Resolver) GetLedger(ctx context.Context, name string) (*Ledger, error)

type ResolverOption 

type ResolverOption interface {
	// contains filtered or unexported methods
}

type ScriptError added in v1.0.5 

type ScriptError struct {
	Code    string
	Message string
}

func NewScriptError added in v1.0.5 

func NewScriptError(code string, message string) *ScriptError

func (ScriptError) Error added in v1.0.5 

func (e ScriptError) Error() string

func (ScriptError) Is added in v1.0.5 

func (e ScriptError) Is(err error) bool

type Stats 

type Stats struct {
	Transactions uint64 `json:"transactions"`
	Accounts     uint64 `json:"accounts"`
}

type TransactionCommitError 

type TransactionCommitError struct {
	TXIndex int   `json:"index"`
	Err     error `json:"error"`
}

func NewTransactionCommitError 

func NewTransactionCommitError(txIndex int, err error) *TransactionCommitError

func (TransactionCommitError) Error 

func (e TransactionCommitError) Error() string

func (TransactionCommitError) Is added in v1.0.4 

func (e TransactionCommitError) Is(err error) bool

func (TransactionCommitError) Unwrap added in v1.0.4 

func (e TransactionCommitError) Unwrap() error

type Unlock 

type Unlock func(ctx context.Context)

type ValidationError 

type ValidationError struct {
	Msg string
}

func NewValidationError 

func NewValidationError(msg string) *ValidationError

func (ValidationError) Error 

func (v ValidationError) Error() string

func (ValidationError) Is added in v1.0.4 

func (v ValidationError) Is(err error) bool

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