cosmosclient

package
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Published: Mar 9, 2022 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Overview

Package cosmosclient provides a standalone client to connect to Cosmos SDK chains.

Index

Constants

This section is empty.

Variables

View Source
var FaucetTransferEnsureDuration = time.Second * 40

FaucetTransferEnsureDuration is the duration that BroadcastTx will wait when a faucet transfer is triggered prior to broadcasting but transfer's tx is not committed in the state yet.

Functions

This section is empty.

Types

type Client

type Client struct {
	// RPC is Tendermint RPC.
	RPC *rpchttp.HTTP

	// Factory is a Cosmos SDK tx factory.
	Factory tx.Factory

	// context is a Cosmos SDK client context.
	Context client.Context

	// AccountRegistry is the retistry to access accounts.
	AccountRegistry cosmosaccount.Registry
	// contains filtered or unexported fields
}

Client is a client to access your chain by querying and broadcasting transactions.

func New

func New(ctx context.Context, options ...Option) (Client, error)

New creates a new client with given options.

func (Client) Account

func (c Client) Account(accountName string) (cosmosaccount.Account, error)

func (Client) Address

func (c Client) Address(accountName string) (sdktypes.AccAddress, error)

Address returns the account address from account name.

func (Client) BroadcastTx

func (c Client) BroadcastTx(accountName string, msgs ...sdktypes.Msg) (Response, error)

BroadcastTx creates and broadcasts a tx with given messages for account.

func (Client) BroadcastTxWithProvision

func (c Client) BroadcastTxWithProvision(accountName string, msgs ...sdktypes.Msg) (
	gas uint64, broadcast func() (Response, error), err error)

type Option

type Option func(*Client)

Option configures your client.

func WithAddressPrefix

func WithAddressPrefix(prefix string) Option

func WithHome

func WithHome(path string) Option

WithHome sets the data dir of your chain. This option is used to access your chain's file based keyring which is only needed when you deal with creating and signing transactions. when it is not provided, your data dir will be assumed as `$HOME/.your-chain-id`.

func WithKeyringBackend

func WithKeyringBackend(backend cosmosaccount.KeyringBackend) Option

WithKeyringBackend sets your keyring backend. By default, it is `test`.

func WithKeyringServiceName

func WithKeyringServiceName(name string) Option

WithKeyringServiceName used as the keyring's name when you are using OS keyring backend. by default it is `cosmos`.

func WithNodeAddress

func WithNodeAddress(addr string) Option

WithNodeAddress sets the node address of your chain. When this option is not provided `http://localhost:26657` is used as default.

func WithUseFaucet

func WithUseFaucet(faucetAddress, denom string, minAmount uint64) Option

type Response

type Response struct {

	// TxResponse is the underlying tx response.
	*sdktypes.TxResponse
	// contains filtered or unexported fields
}

Response of your broadcasted transaction.

func (Response) Decode

func (r Response) Decode(message proto.Message) error

Decode decodes the proto func response defined in your Msg service into your message type. message needs be a pointer. and you need to provide the correct proto message(struct) type to the Decode func.

e.g., for the following CreateChain func the type would be: `types.MsgCreateChainResponse`.

```proto

service Msg {
  rpc CreateChain(MsgCreateChain) returns (MsgCreateChainResponse);
}

```

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