txapp

type Accounts interface {
	Spend(ctx context.Context, tx sql.Executor, acctID *types.AccountID, amount *big.Int, nonce int64) error
	Credit(ctx context.Context, tx sql.Executor, acctID *types.AccountID, amount *big.Int) error
	Transfer(ctx context.Context, tx sql.TxMaker, from, to *types.AccountID, amount *big.Int) error
	GetAccount(ctx context.Context, tx sql.Executor, acctID *types.AccountID) (*types.Account, error)
	NumAccounts(ctx context.Context, tx sql.Executor) (int64, error)
	ApplySpend(ctx context.Context, tx sql.Executor, acctID *types.AccountID, amount *big.Int, nonce int64) error
	Commit() error
	Rollback()
}

type ConsensusParams struct {
	// VotingPeriod is the maximum length of a voting period.
	// It is measured in blocks, and is applied additively.
	// e.g. if the current block is 50, and VotingPeriod is 100,
	// then the current voting period ends at block 150.
	VotingPeriod int64
	// JoinVoteExpiration is the voting period for any validator
	// join or removal vote. It is measured in blocks, and is applied additively.
	// e.g. if the current block is 50, and JoinVoteExpiration is 100,
	// then the current voting period ends at block 150.
	JoinVoteExpiration int64
}

type DB interface {
	sql.PreparedTxMaker
	sql.ReadTxMaker
	sql.SnapshotTxMaker
}

type Pricer interface {
	Price(ctx context.Context, router *TxApp, db sql.DB, tx *types.Transaction) (*big.Int, error)
}

type Rebroadcaster interface {
	// MarkRebroadcast marks events for rebroadcasting.
	MarkRebroadcast(ctx context.Context, ids []*types.UUID) error
}

type Route interface {
	Pricer
	// Execute is responsible for committing or rolling back types.
	// All transactions should spend, regardless of success or failure.
	// Therefore, a nested transaction should be used for all database
	// operations after the initial checkAndSpend.
	Execute(ctx *common.TxContext, router *TxApp, db sql.DB, tx *types.Transaction) *TxResponse
}

type TxApp struct {
	Engine     common.Engine // tracks deployed schemas
	Accounts   Accounts      // tracks account balances and nonces
	Validators Validators    // tracks validator power
	// contains filtered or unexported fields
}

type TxResponse struct {
	// ResponseCode is the response code from the transaction
	ResponseCode types.TxCode

	// Spend is the amount of tokens spent by the transaction
	Spend int64

	// Log is a formatted log message from the DB that is associated with the transaction
	Log string

	// Error is the error returned by the transaction, if any
	Error error
}

type Validators interface {
	SetValidatorPower(ctx context.Context, tx sql.Executor, pubKey []byte, keyType crypto.KeyType, power int64) error
	GetValidatorPower(ctx context.Context, pubKey []byte, pubKeyType crypto.KeyType) (int64, error)
	GetValidators() []*types.Validator
	Commit() error
	Rollback()
}