forward.coop_contrib

forward.coop_contrib "id" "psbt" Contribute this wallet's deliver funding inputs to a cooperative close PSBT. Use after forward.build_coop_close(split_funding=true). Adds ONLY this wallet's inputs and change for its deliver leg, without introducing unilateral builder inputs. Arguments: 1. id (string, required) Forward contract identifier 2. psbt (string, required) Base64-encoded cooperative close PSBT (base) Result: { (json object) "psbt" : "str", (string) Updated Base64-encoded PSBT with local funding inputs and change appended "inputs_added" : n, (numeric) Number of inputs added by this wallet "change_added" : n (numeric) Number of change outputs appended by this wallet } Examples: > bitcoin-cli forward.coop_contrib "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "cHNidP8BA..."

Signature

forward.coop_contrib(id: string, psbt: string) → any

Code samples

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

bitcoin-cli forward.coop_contrib "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "cHNidP8BA..."

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "forward.coop_contrib",
        "params": ["\"<id>\"", "\"<psbt>\""],
    },
    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: "forward.coop_contrib",
    params: ["\"<id>\"","\"<psbt>\""],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
id	`string`	yes	Forward contract identifier
psbt	`string`	yes	Base64-encoded cooperative close PSBT (base)

Result

Type: any

{ (json object) "psbt" : "str", (string) Updated Base64-encoded PSBT with local funding inputs and change appended "inputs_added" : n, (numeric) Number of inputs added by this wallet "change_added" : n (numeric) Number of change outputs appended by this wallet }

Source: services/core-node/bcore/src/wallet/rpc/contracts.cpp:17225

C++ symbol: forward_coop_contrib

Code samples

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

bitcoin-cli forward.coop_contrib "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" "cHNidP8BA..."

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "forward.coop_contrib",
        "params": ["\"<id>\"", "\"<psbt>\""],
    },
    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: "forward.coop_contrib",
    params: ["\"<id>\"","\"<psbt>\""],
  }),
});
console.log(await res.json());