cosign.eth_init

workflowcross-chain-swap·step 3 of 7Workflow: cross-chain-swap · step 3 of 7

cosign.eth_init "rpc_url" Initialize the ETH JSON-RPC client in the cosign bridge. Arguments: 1. rpc_url (string, required) Ethereum JSON-RPC endpoint URL Result: { (json object) "success" : true|false, (boolean) Whether initialization succeeded "rpc_url" : "str" (string) Configured endpoint } Examples: > bitcoin-cli cosign.eth_init "http://localhost:8545"

Signature

cosign.eth_init(rpc_url: string) → any

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"cosign.eth_init","params":["\"<rpc_url>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli cosign.eth_init "http://localhost:8545"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "cosign.eth_init",
        "params": ["\"<rpc_url>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "cosign.eth_init",
    params: ["\"<rpc_url>\""],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
rpc_url	`string`	yes	Ethereum JSON-RPC endpoint URL

Result

Type: any

{ (json object) "success" : true|false, (boolean) Whether initialization succeeded "rpc_url" : "str" (string) Configured endpoint }

Source: services/core-node/bcore/src/rpc/cosign.cpp:3352

C++ symbol: cosign_eth_init

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"cosign.eth_init","params":["\"<rpc_url>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli cosign.eth_init "http://localhost:8545"

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "cosign.eth_init",
        "params": ["\"<rpc_url>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "cosign.eth_init",
    params: ["\"<rpc_url>\""],
  }),
});
console.log(await res.json());