Method SetupFromTx

src/psbt.cpp:835–905

}

void PartiallySignedTransaction::SetupFromTx(const CMutableTransaction& tx)
{
    tx_version = tx.nVersion;
    fallback_locktime = tx.nLockTime;

    uint32_t i;
    for (i = 0; i < tx.vin.size(); ++i) {
        PSBTInput& input = inputs.at(i);
        const CTxIn& txin = tx.vin.at(i);

        input.prev_txid = txin.prevout.hash;
        input.prev_out = txin.prevout.n;
        input.sequence = txin.nSequence;

        // Elements things
        if (!txin.assetIssuance.IsNull()) {
            if (txin.assetIssuance.nAmount.IsExplicit()) {
                input.m_issuance_value = txin.assetIssuance.nAmount.GetAmount();
            } else {
                input.m_issuance_value_commitment = txin.assetIssuance.nAmount;
            }

            if (txin.assetIssuance.nInflationKeys.IsExplicit()) {
                input.m_issuance_inflation_keys_amount = txin.assetIssuance.nInflationKeys.GetAmount();
            } else {
                input.m_issuance_inflation_keys_commitment = txin.assetIssuance.nInflationKeys;
            }

            if (!txin.assetIssuance.assetBlindingNonce.IsNull()) {
                input.m_issuance_blinding_nonce = txin.assetIssuance.assetBlindingNonce;
            }
            if (!txin.assetIssuance.assetEntropy.IsNull()) {
                input.m_issuance_asset_entropy = txin.assetIssuance.assetEntropy;
            }
        }
        // Peg-in things
        if (txin.m_is_pegin) {
            CAmount peg_in_value;
            CAsset asset;
            if (DecomposePeginWitness(tx.witness.vtxinwit[i].m_pegin_witness, peg_in_value, asset, input.m_peg_in_genesis_hash, input.m_peg_in_claim_script, input.m_peg_in_tx, input.m_peg_in_txout_proof)) {
                input.m_peg_in_value = peg_in_value;
                assert(asset == Params().GetConsensus().pegged_asset);
            }
        }
    }

    for (i = 0; i < tx.vout.size(); ++i) {
        PSBTOutput& output = outputs.at(i);
        const CTxOut& txout = tx.vout.at(i);

        output.script = txout.scriptPubKey;

        // Elements things
        if (txout.nAsset.IsExplicit()) {
            output.m_asset = txout.nAsset.GetAsset().id;
        } else {
            output.m_asset_commitment = txout.nAsset;
        }