writer

Documentation

Index

• Constants
• Variables
• func ConstructErc20ProposalData(amount []byte, recipient []byte) []byte
• func ConstructErc721ProposalData(tokenId []byte, recipient []byte, metadata []byte) []byte
• func ConstructGenericProposalData(metadata []byte) []byte
• func CreateProposalDataHash(data []byte, handler common.Address, mp *utils.MerkleProof, ...) common.Hash
• func NewWriter(client ContractCaller, cfg *config.CeloChainConfig, stop <-chan struct{}, ...) *writer
• type Bridger
• type ContractCaller

Constants

const ExecuteBlockWatchLimit = 100

Number of blocks to wait for an finalization event

const TxRetryInterval = time.Second * 2

Time between retrying a failed tx

const TxRetryLimit = 10

Time between retrying a failed tx

Variables

var BlockRetryLimit = 5

var ErrFatalQuery = errors.New("query of chain state failed")

var ErrFatalTx = errors.New("submission of transaction failed")

var ErrNonceTooLow = errors.New("nonce too low")

var ErrTxUnderpriced = errors.New("replacement transaction underpriced")

var ProposalNotPassedStatus uint8 = 1

var ProposalStatusCancelled uint8 = 4

var ProposalStatusPassed uint8 = 2

var ProposalStatusTransferred uint8 = 3

Functions

func ConstructErc20ProposalData

func ConstructErc20ProposalData(amount []byte, recipient []byte) []byte

constructErc20ProposalData returns the bytes to construct a proposal suitable for Erc20

func ConstructErc721ProposalData

func ConstructErc721ProposalData(tokenId []byte, recipient []byte, metadata []byte) []byte

ConstructErc721ProposalData returns the bytes to construct a proposal suitable for Erc721

func ConstructGenericProposalData

func ConstructGenericProposalData(metadata []byte) []byte

constructGenericProposalData returns the bytes to construct a generic proposal

func CreateProposalDataHash

func CreateProposalDataHash(data []byte, handler common.Address, mp *utils.MerkleProof, sv *utils.SignatureVerification) common.Hash

CreateProposalDataHash constructs and returns proposal data hash https://github.com/ChainSafe/chainbridge-celo-solidity/blob/1fae9c66a07139c277b03a09877414024867a8d9/contracts/Bridge.sol#L452-L454

func NewWriter

func NewWriter(client ContractCaller, cfg *config.CeloChainConfig, stop <-chan struct{}, sysErr chan<- error, m *metrics.ChainMetrics) *writer

NewWriter creates and returns writer

Types

type Bridger

type Bridger interface {
	GetProposal(opts *bind.CallOpts, originChainID uint8, depositNonce uint64, dataHash [32]byte) (Bridge.BridgeProposal, error)
	HasVotedOnProposal(opts *bind.CallOpts, arg0 *big.Int, arg1 [32]byte, arg2 common.Address) (bool, error)
	VoteProposal(opts *bind.TransactOpts, chainID uint8, depositNonce uint64, resourceID [32]byte, dataHash [32]byte) (*types.Transaction, error)
	ExecuteProposal(opts *bind.TransactOpts, chainID uint8, depositNonce uint64, data []byte, resourceID [32]byte, signatureHeader []byte, aggregatePublicKey []byte, hashedMessage [32]byte, rootHash [32]byte, key []byte, nodes []byte) (*types.Transaction, error)
}

type ContractCaller

type ContractCaller interface {
	client.LogFilterWithLatestBlock
	CallOpts() *bind.CallOpts
	Opts() *bind.TransactOpts
	LockAndUpdateOpts() error
	UnlockOpts()
	WaitForBlock(block *big.Int) error
}