Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

backend

package

Go to main page

Versions in this module

v0

v0.6.0

Sep 29, 2021

Changes in this version

+ func TxLogsFromEvents(codec codec.Codec, events []abci.Event) []*ethtypes.Log

type Backend

+ ChainConfig func() *params.ChainConfig

+ CurrentHeader func() *ethtypes.Header

+ GetFilteredBlocks func(from int64, to int64, filter [][]filters.BloomIV, filterAddresses bool) ([]int64, error)

+ GetLogsByHeight func(height *int64) ([][]*ethtypes.Log, error)

+ GetTendermintBlockByNumber func(blockNum types.BlockNumber) (*tmrpctypes.ResultBlock, error)

+ GetTransactionByHash func(txHash common.Hash) (*types.RPCTransaction, error)

+ GetTxByEthHash func(txHash common.Hash) (*tmrpctypes.ResultTx, error)

+ RPCMinGasPrice func() int64

+ SuggestGasTipCap func() (*big.Int, error)

type EVMBackend

+ func (e *EVMBackend) BlockBloom(height *int64) (ethtypes.Bloom, error)

+ func (e *EVMBackend) ChainConfig() *params.ChainConfig

+ func (e *EVMBackend) CurrentHeader() *ethtypes.Header

+ func (e *EVMBackend) GetFilteredBlocks(from int64, to int64, filters [][]filters.BloomIV, filterAddresses bool) ([]int64, error)

+ func (e *EVMBackend) GetLogsByHeight(height *int64) ([][]*ethtypes.Log, error)

+ func (e *EVMBackend) GetTendermintBlockByNumber(blockNum types.BlockNumber) (*tmrpctypes.ResultBlock, error)

+ func (e *EVMBackend) GetTransactionByHash(txHash common.Hash) (*types.RPCTransaction, error)

+ func (e *EVMBackend) GetTxByEthHash(hash common.Hash) (*tmrpctypes.ResultTx, error)

+ func (e *EVMBackend) RPCMinGasPrice() int64

+ func (e *EVMBackend) SuggestGasTipCap() (*big.Int, error)

v0.5.0

Aug 20, 2021

Changes in this version

+ type Backend interface

+ BlockNumber func() (hexutil.Uint64, error)

+ BloomStatus func() (uint64, uint64)

+ EstimateGas func(args evmtypes.CallArgs, blockNrOptional *types.BlockNumber) (hexutil.Uint64, error)

+ GetBlockByHash func(hash common.Hash, fullTx bool) (map[string]interface{}, error)

+ GetBlockByNumber func(blockNum types.BlockNumber, fullTx bool) (map[string]interface{}, error)

+ GetCoinbase func() (sdk.AccAddress, error)

+ GetLogs func(blockHash common.Hash) ([][]*ethtypes.Log, error)

+ GetTransactionCount func(address common.Address, blockNum types.BlockNumber) (*hexutil.Uint64, error)

+ GetTransactionLogs func(txHash common.Hash) ([]*ethtypes.Log, error)

+ HeaderByHash func(blockHash common.Hash) (*ethtypes.Header, error)

+ HeaderByNumber func(blockNum types.BlockNumber) (*ethtypes.Header, error)

+ PendingTransactions func() ([]*sdk.Tx, error)

+ RPCGasCap func() uint64

+ SendTransaction func(args types.SendTxArgs) (common.Hash, error)

+ type EVMBackend struct

+ func NewEVMBackend(ctx *server.Context, logger log.Logger, clientCtx client.Context) *EVMBackend

+ func (e *EVMBackend) BlockNumber() (hexutil.Uint64, error)

+ func (e *EVMBackend) BloomStatus() (uint64, uint64)

+ func (e *EVMBackend) EstimateGas(args evmtypes.CallArgs, blockNrOptional *types.BlockNumber) (hexutil.Uint64, error)

+ func (e *EVMBackend) EthBlockFromTendermint(block *tmtypes.Block, fullTx bool) (map[string]interface{}, error)

+ func (e *EVMBackend) GetBlockByHash(hash common.Hash, fullTx bool) (map[string]interface{}, error)

+ func (e *EVMBackend) GetBlockByNumber(blockNum types.BlockNumber, fullTx bool) (map[string]interface{}, error)

+ func (e *EVMBackend) GetCoinbase() (sdk.AccAddress, error)

+ func (e *EVMBackend) GetLogs(blockHash common.Hash) ([][]*ethtypes.Log, error)

+ func (e *EVMBackend) GetLogsByNumber(blockNum types.BlockNumber) ([][]*ethtypes.Log, error)

+ func (e *EVMBackend) GetTransactionCount(address common.Address, blockNum types.BlockNumber) (*hexutil.Uint64, error)

+ func (e *EVMBackend) GetTransactionLogs(txHash common.Hash) ([]*ethtypes.Log, error)

+ func (e *EVMBackend) HeaderByHash(blockHash common.Hash) (*ethtypes.Header, error)

+ func (e *EVMBackend) HeaderByNumber(blockNum types.BlockNumber) (*ethtypes.Header, error)

+ func (e *EVMBackend) PendingTransactions() ([]*sdk.Tx, error)

+ func (e *EVMBackend) RPCGasCap() uint64

+ func (e *EVMBackend) SendTransaction(args types.SendTxArgs) (common.Hash, error)