rpc

package
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 Go to latest Published: Mar 5, 2024 License: Apache-2.0 Imports: 16 Imported by: 0

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Functions

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Types

type Client 

type Client struct {
	service.BaseService
	// contains filtered or unexported fields
}

Client is an RPC client, which uses light#Client to verify data (if it can be proved). Note, merkle.DefaultProofRuntime is used to verify values returned by ABCI#Query.

func NewClient 

func NewClient(next rpcclient.Client, lc LightClient, opts ...Option) *Client

NewClient returns a new client.

func (*Client) ABCIInfo 

func (c *Client) ABCIInfo(ctx context.Context) (*ctypes.ResultABCIInfo, error)

func (*Client) ABCIQuery 

func (c *Client) ABCIQuery(ctx context.Context, path string, data cmtbytes.HexBytes) (*ctypes.ResultABCIQuery, error)

ABCIQuery requests proof by default.

func (*Client) ABCIQueryWithOptions 

func (c *Client) ABCIQueryWithOptions(ctx context.Context, path string, data cmtbytes.HexBytes,
	opts rpcclient.ABCIQueryOptions) (*ctypes.ResultABCIQuery, error)

ABCIQueryWithOptions returns an error if opts.Prove is false.

func (*Client) Block 

func (c *Client) Block(ctx context.Context, height *int64) (*ctypes.ResultBlock, error)

Block calls rpcclient#Block and then verifies the result.

func (*Client) BlockByHash 

func (c *Client) BlockByHash(ctx context.Context, hash []byte) (*ctypes.ResultBlock, error)

BlockByHash calls rpcclient#BlockByHash and then verifies the result.

func (*Client) BlockResults 

func (c *Client) BlockResults(ctx context.Context, height *int64) (*ctypes.ResultBlockResults, error)

BlockResults returns the block results for the given height. If no height is provided, the results of the block preceding the latest are returned.

func (*Client) BlockSearch 

func (c *Client) BlockSearch(
	ctx context.Context,
	query string,
	page, perPage *int,
	orderBy string,
) (*ctypes.ResultBlockSearch, error)

func (*Client) BlockchainInfo 

func (c *Client) BlockchainInfo(ctx context.Context, minHeight, maxHeight int64) (*ctypes.ResultBlockchainInfo, error)

BlockchainInfo calls rpcclient#BlockchainInfo and then verifies every header returned.

func (*Client) BroadcastEvidence 

func (c *Client) BroadcastEvidence(ctx context.Context, ev types.Evidence) (*ctypes.ResultBroadcastEvidence, error)

func (*Client) BroadcastTxAsync 

func (c *Client) BroadcastTxAsync(ctx context.Context, tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (*Client) BroadcastTxCommit 

func (c *Client) BroadcastTxCommit(ctx context.Context, tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error)

func (*Client) BroadcastTxSync 

func (c *Client) BroadcastTxSync(ctx context.Context, tx types.Tx) (*ctypes.ResultBroadcastTx, error)

func (*Client) CheckTx 

func (c *Client) CheckTx(ctx context.Context, tx types.Tx) (*ctypes.ResultCheckTx, error)

func (*Client) Commit 

func (c *Client) Commit(ctx context.Context, height *int64) (*ctypes.ResultCommit, error)

func (*Client) ConsensusParams 

func (c *Client) ConsensusParams(ctx context.Context, height *int64) (*ctypes.ResultConsensusParams, error)

func (*Client) ConsensusState 

func (c *Client) ConsensusState(ctx context.Context) (*ctypes.ResultConsensusState, error)

func (*Client) DataCommitment 

func (c *Client) DataCommitment(
	ctx context.Context,
	start uint64,
	end uint64,
) (*ctypes.ResultDataCommitment, error)

func (*Client) DataRootInclusionProof 

func (c *Client) DataRootInclusionProof(
	ctx context.Context,
	height uint64,
	start uint64,
	end uint64,
) (*ctypes.ResultDataRootInclusionProof, error)

DataRootInclusionProof calls rpcclient#DataRootInclusionProof method and returns a merkle proof for the data root of block height `height` to the set of blocks defined by `start` and `end`.

func (*Client) DumpConsensusState 

func (c *Client) DumpConsensusState(ctx context.Context) (*ctypes.ResultDumpConsensusState, error)

func (*Client) Genesis 

func (c *Client) Genesis(ctx context.Context) (*ctypes.ResultGenesis, error)

func (*Client) GenesisChunked 

func (c *Client) GenesisChunked(ctx context.Context, id uint) (*ctypes.ResultGenesisChunk, error)

func (*Client) Header 

func (c *Client) Header(ctx context.Context, height *int64) (*ctypes.ResultHeader, error)

Header fetches and verifies the header directly via the light client

func (*Client) HeaderByHash 

func (c *Client) HeaderByHash(ctx context.Context, hash cmtbytes.HexBytes) (*ctypes.ResultHeader, error)

HeaderByHash calls rpcclient#HeaderByHash and updates the client if it's falling behind.

func (*Client) Health 

func (c *Client) Health(ctx context.Context) (*ctypes.ResultHealth, error)

func (*Client) NetInfo 

func (c *Client) NetInfo(ctx context.Context) (*ctypes.ResultNetInfo, error)

func (*Client) NumUnconfirmedTxs 

func (c *Client) NumUnconfirmedTxs(ctx context.Context) (*ctypes.ResultUnconfirmedTxs, error)

func (*Client) OnStart 

func (c *Client) OnStart() error

func (*Client) OnStop 

func (c *Client) OnStop()

func (*Client) ProveShares 

func (c *Client) ProveShares(
	ctx context.Context,
	height uint64,
	startShare uint64,
	endShare uint64,
) (types.ShareProof, error)

ProveShares calls rpcclient#ProveShares method and returns an NMT proof for a set of shares, defined by `startShare` and `endShare`, to the corresponding rows. Then, a binary merkle inclusion proof from the latter rows to the data root.

func (*Client) RegisterOpDecoder 

func (c *Client) RegisterOpDecoder(typ string, dec merkle.OpDecoder)

func (*Client) SignedBlock 

func (c *Client) SignedBlock(ctx context.Context, height *int64) (*ctypes.ResultSignedBlock, error)

SignedBlock calls rpcclient#SignedBlock and then verifies the result.

func (*Client) Status 

func (c *Client) Status(ctx context.Context) (*ctypes.ResultStatus, error)

func (*Client) Subscribe 

func (c *Client) Subscribe(ctx context.Context, subscriber, query string,
	outCapacity ...int) (out <-chan ctypes.ResultEvent, err error)

func (*Client) SubscribeWS 

func (c *Client) SubscribeWS(ctx *rpctypes.Context, query string) (*ctypes.ResultSubscribe, error)

SubscribeWS subscribes for events using the given query and remote address as a subscriber, but does not verify responses (UNSAFE)! TODO: verify data

func (*Client) Tx 

func (c *Client) Tx(ctx context.Context, hash []byte, prove bool) (*ctypes.ResultTx, error)

Tx calls rpcclient#Tx method and then verifies the proof if such was requested.

func (*Client) TxSearch 

func (c *Client) TxSearch(
	ctx context.Context,
	query string,
	prove bool,
	page, perPage *int,
	orderBy string,
) (*ctypes.ResultTxSearch, error)

func (*Client) UnconfirmedTxs 

func (c *Client) UnconfirmedTxs(ctx context.Context, limit *int) (*ctypes.ResultUnconfirmedTxs, error)

func (*Client) Unsubscribe 

func (c *Client) Unsubscribe(ctx context.Context, subscriber, query string) error

func (*Client) UnsubscribeAll 

func (c *Client) UnsubscribeAll(ctx context.Context, subscriber string) error

func (*Client) UnsubscribeAllWS 

func (c *Client) UnsubscribeAllWS(ctx *rpctypes.Context) (*ctypes.ResultUnsubscribe, error)

UnsubscribeAllWS calls original client's UnsubscribeAll using remote address as a subscriber.

func (*Client) UnsubscribeWS 

func (c *Client) UnsubscribeWS(ctx *rpctypes.Context, query string) (*ctypes.ResultUnsubscribe, error)

UnsubscribeWS calls original client's Unsubscribe using remote address as a subscriber.

func (*Client) Validators 

func (c *Client) Validators(
	ctx context.Context,
	height *int64,
	pagePtr, perPagePtr *int,
) (*ctypes.ResultValidators, error)

Validators fetches and verifies validators.

type KeyPathFunc 

type KeyPathFunc func(path string, key []byte) (merkle.KeyPath, error)

KeyPathFunc builds a merkle path out of the given path and key.

func DefaultMerkleKeyPathFn 

func DefaultMerkleKeyPathFn() KeyPathFunc

DefaultMerkleKeyPathFn creates a function used to generate merkle key paths from a path string and a key. This is the default used by the cosmos SDK. This merkle key paths are required when verifying /abci_query calls

type LightClient 

type LightClient interface {
	ChainID() string
	Update(ctx context.Context, now time.Time) (*types.LightBlock, error)
	VerifyLightBlockAtHeight(ctx context.Context, height int64, now time.Time) (*types.LightBlock, error)
	TrustedLightBlock(height int64) (*types.LightBlock, error)
}

LightClient is an interface that contains functionality needed by Client from the light client.

type Option 

type Option func(*Client)

Option allow you to tweak Client.

func KeyPathFn 

func KeyPathFn(fn KeyPathFunc) Option

KeyPathFn option can be used to set a function, which parses a given path and builds the merkle path for the prover. It must be provided if you want to call ABCIQuery or ABCIQueryWithOptions.

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