跨链Cosmos(13) Tendermint RPC

Posted 2021-08-16 thefist11

1. 3 RPC protocols:

• URI over HTTP *
• JSONRPC over HTTP *
• JSONRPC over websockets

eg.

curl localhost:26657/block?height=5
curl --header "Content-Type: application/json" --request POST --data '{"method": "block", "params": ["5"], "id": 1}' localhost:26657
ws ws://localhost:26657/websocket
> { "jsonrpc": "2.0", "method": "subscribe", "params": ["tm.event='NewBlock'"], "id": 1 }

2. API

• subscribe

GET/subscribe
Subscribe for events via WebSocket.


GET/unsubscribe
Unsubscribe from event on Websocket


GET/unsubscribe_all
Unsubscribe from all events via WebSocket

• Informations about the node APIs

GET/health
Node heartbeat

GET/status
Node Status

GET/net_info
Network informations

GET/blockchain
Get block headers (max: 20) for minHeight <= height <= maxHeight.

GET/block
Get block at a specified height

GET/block_by_hash
Get block by hash

GET/block_results
Get block results at a specified height

GET/commit
Get commit results at a specified height

GET/validators
Get validator set at a specified height

GET/genesis
Get Genesis

GET/dump_consensus_state
Get consensus state

GET/consensus_state
Get consensus state

GET/consensus_params
Get consensus parameters

GET/unconfirmed_txs
Get the list of unconfirmed transactions

GET/num_unconfirmed_txs
Get data about unconfirmed transactions

GET/tx_search
Search for transactions

GET/block_search
Search for blocks by BeginBlock and EndBlock events

GET/tx
Get transactions by hash

Tx
Transactions broadcast APIs

GET/broadcast_tx_sync
Returns with the response from CheckTx. Does not wait for DeliverTx result.

GET/broadcast_tx_async
Returns right away, with no response. Does not wait for CheckTx nor DeliverTx results.

GET/broadcast_tx_commit
Returns with the responses from CheckTx and DeliverTx.

GET/check_tx
Checks the transaction without executing it.
 

• ABCI APIs

GET/abci_info
Get some info about the application.

GET/abci_query
Query the application for some information.

• Evidence APIs

GET/broadcast_evidence
Broadcast evidence of the misbehavior.

• Unsafe APIs

GET/dial_seeds
Dial Seeds (Unsafe)


GET/dial_peers
Add Peers/Persistent Peers (unsafe)