blocktrail / blocktrail-sdk-nodejs

    return bitcoin.script.multisig.output.encode(m, keys);

}

function multisigScriptSizes(m, script) {

    var bareSize = 1/*op0*/ + m * (1 + SizeEstimation.SIZE_DER_SIGNATURE);

    var bareSig = 1 + bareSize;

    var p2shSig = bareSize + SizeEstimation.getLengthForScriptPush(script.length) + script.length;

    var p2wshHash = bitcoin.crypto.sha256(script);

    var p2wshScript = bitcoin.script.witnessScriptHash.output.encode(p2wshHash);

    var nestedSig = 1 + 1 + p2wshScript.length;

    var witSize = 1 + m * (1 + SizeEstimation.SIZE_DER_SIGNATURE);

    var nestedWit = witSize + 1 + 1 + script.length;

    return {

        bareSig: bareSig,

        p2shSig: SizeEstimation.getLengthForVarInt(p2shSig) + p2shSig,

        p2wshScript: p2wshScript,

        nestedSig: nestedSig,

        nestedWit: nestedWit

    }

}

function scriptUtxos(script) {

    var hash160 = bitcoin.crypto.hash160(script);

    return bitcoin.script.pubKey.output.encode(keyu);

}

function p2pkhScriptSizes(script, compressed) {

    var bareSize = (1 + SizeEstimation.SIZE_DER_SIGNATURE) + (1 + (compressed ? 33 : 65));

    var bareSig = 1 + bareSize;

    var p2shSig = 1 + bareSize + 1 + script.length;

    var p2wshHash = bitcoin.crypto.sha256(script);

    var p2wshScript = bitcoin.script.witnessScriptHash.output.encode(p2wshHash);

    var nestedSig = 1 + 1 + p2wshScript.length;

    var witSize = (1 + SizeEstimation.SIZE_DER_SIGNATURE) + (1 + (compressed ? 33 : 65));

    var nestedWit = witSize + 1 + 1 + script.length;

    return {

        bareSig: bareSig,

        p2shSig: p2shSig,

        p2wshScript: p2wshScript,

        nestedSig: nestedSig,

        nestedWit: nestedWit

    }

}

function p2pkhFormFixture(wif, network) {

    var keyHash = p2pkhMakeScript(wif, network);

    var compressed = bitcoin.ECPair.fromWIF(wif, network).compressed;