client

README

Chainbridge ethereum module

Chainbridge ethereum module is the part of Chainbrige-core framework. This module brings support of ethereum compatible client module.

Usage

Module should be used along with core framework.

Example

ChainSafe Security Policy

Reporting a Security Bug

We take all security issues seriously, if you believe you have found a security issue within a ChainSafe project please notify us immediately. If an issue is confirmed, we will take all necessary precautions to ensure a statement and patch release is made in a timely manner.

Please email us a description of the flaw and any related information (e.g. reproduction steps, version) to security at chainsafe dot io.

License

GNU Lesser General Public License v3.0

Documentation

Index

• Constants
• Variables
• type EVMClient
  • func NewEVMClient(endpoint string, http bool, sender Sender) (*EVMClient, error)
  • func (c *EVMClient) ExecuteProposal(bridgeAddress string, proposal *evm.Proposal) error
  • func (c *EVMClient) FetchDepositLogs(ctx context.Context, contractAddress string, sig string, startBlock *big.Int, ...) ([]*coreListener.DepositLogs, error)
  • func (c *EVMClient) GetEthClient() *ethclient.Client
  • func (c *EVMClient) LatestBlock() (*big.Int, error)
  • func (c *EVMClient) MatchResourceIDToHandlerAddress(bridgeAddress string, rID [32]byte) (string, error)
  • func (c *EVMClient) ProposalStatus(bridgeAddress string, p *evm.Proposal) (relayer.ProposalStatus, error)
  • func (c *EVMClient) ReturnErc20HandlerFabric() listener.EventHandler
  • func (c *EVMClient) ReturnErc721HandlerFabric() listener.EventHandler
  • func (c *EVMClient) ReturnGenericHandlerFabric() listener.EventHandler
  • func (c *EVMClient) VoteProposal(bridgeAddress string, proposal *evm.Proposal) error
  • func (c *EVMClient) VotedBy(bridgeAddress string, p *evm.Proposal) bool
• type Sender

Constants

const DefaultGasLimit = 6721975

const DefaultGasPrice = 20000000000

const TxRetryInterval = time.Second * 2

Time between retrying a failed tx

const TxRetryLimit = 10

Tries to retry sending transaction

Variables

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

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

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

Types

type EVMClient

type EVMClient struct {
	*ethclient.Client
	// contains filtered or unexported fields
}

func NewEVMClient

func NewEVMClient(endpoint string, http bool, sender Sender) (*EVMClient, error)

func (*EVMClient) ExecuteProposal

func (c *EVMClient) ExecuteProposal(bridgeAddress string, proposal *evm.Proposal) error

func (*EVMClient) FetchDepositLogs

func (c *EVMClient) FetchDepositLogs(ctx context.Context, contractAddress string, sig string, startBlock *big.Int, endBlock *big.Int) ([]*coreListener.DepositLogs, error)

func (*EVMClient) GetEthClient

func (c *EVMClient) GetEthClient() *ethclient.Client

func (*EVMClient) LatestBlock

func (c *EVMClient) LatestBlock() (*big.Int, error)

LatestBlock returns the latest block from the current chain

func (*EVMClient) MatchResourceIDToHandlerAddress

func (c *EVMClient) MatchResourceIDToHandlerAddress(bridgeAddress string, rID [32]byte) (string, error)

func (*EVMClient) ProposalStatus

func (c *EVMClient) ProposalStatus(bridgeAddress string, p *evm.Proposal) (relayer.ProposalStatus, error)

func (*EVMClient) ReturnErc20HandlerFabric

func (c *EVMClient) ReturnErc20HandlerFabric() listener.EventHandler

func (*EVMClient) ReturnErc721HandlerFabric

func (c *EVMClient) ReturnErc721HandlerFabric() listener.EventHandler

func (*EVMClient) ReturnGenericHandlerFabric

func (c *EVMClient) ReturnGenericHandlerFabric() listener.EventHandler

func (*EVMClient) VoteProposal

func (c *EVMClient) VoteProposal(bridgeAddress string, proposal *evm.Proposal) error

func (*EVMClient) VotedBy

func (c *EVMClient) VotedBy(bridgeAddress string, p *evm.Proposal) bool

type Sender

type Sender interface {
	PrivateKey() *ecdsa.PrivateKey
	Address() string
}