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  1. Connect To Software
  2. WebApp Connect OneKey
  3. BTC
  4. API Reference

signPsbts

signPsbts

Sign multiple PSBTs at once. This method will traverse all inputs that match the current address to sign.

Wallet & Address Type Compatibility

Wallet Type
Model
Address Types Supported

Software Wallet

All

p2wpkh (Native Segwit), p2tr (Taproot)

Hardware Wallet

Pro, Classic1S

p2tr (Taproot)

Method

async function signPsbts(
    psbtHexs: string[],
    options?: {
        autoFinalized?: boolean;
        toSignInputs?: Array<{
            index: number;
            address?: string;
            publicKey?: string;
            sighashTypes?: number[];
            useTweakedSigner?: boolean;
        }>;
    },
): Promise<string[]>

Parameters

  • psbtHexs — required string[] Array of hex strings of PSBTs to sign

  • options — optional object

    • autoFinalized — optional boolean Whether to finalize PSBTs after signing, default is true

    • toSignInputs — optional array Specify which inputs to sign

      • index — required number Which input to sign

      • address — optional string Which corresponding private key to use for signing (specify either address or publicKey)

      • publicKey — optional string Which corresponding private key to use for signing (specify either address or publicKey)

      • sighashTypes — optional number[] Optional sighash types

      • useTweakedSigner — optional boolean Force whether to use tweaked signer, has higher priority than disableTweakSigner

Returns

  • Promise<string[]> Array of hex strings of signed PSBTs

Example

const provider = (window.$onekey && window.$onekey.btc) || window.unisat;

try {
    const psbtHexs = [
        "70736274ff01007d...",
        "70736274ff01007d..."
    ];

    const signeds = await provider.signPsbts(psbtHexs, {
        autoFinalized: true,
        toSignInputs: [{
            index: 0,
            publicKey: "02abc...",
            useTweakedSigner: true
        }]
    });

    console.log(signeds);
} catch (e) {
    console.log(e);
}

Demo

PrevioussignPsbtNextpushPsbt

Last updated 5 months ago

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