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Move flyover methods from BridgeSupport to BridgeUtils #2733

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merged 4 commits into from
Sep 18, 2024
Merged

Move flyover methods from BridgeSupport to BridgeUtils #2733

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d48faf9
Move flyover methods from BridgeSupport to BridgeUtils
julia-zack Sep 17, 2024
59d52f1
Move new methods to PegUtils. Add tests
julia-zack Sep 18, 2024
dbf4f4c
Remove unused imports
julia-zack Sep 18, 2024
967d1db
Use Address.fromBase58 instead of deprecated Address to fix sonar com…
julia-zack Sep 18, 2024
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12 changes: 3 additions & 9 deletions rskj-core/src/main/java/co/rsk/peg/BridgeSupport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
*/
package co.rsk.peg;

import static co.rsk.peg.BridgeUtils.getFlyoverAddress;
import static co.rsk.peg.BridgeUtils.getRegularPegoutTxSize;
import static co.rsk.peg.ReleaseTransactionBuilder.BTC_TX_VERSION_2;
import static co.rsk.peg.bitcoin.UtxoUtils.extractOutpointValues;
Expand Down Expand Up @@ -996,7 +997,8 @@ private BtcTransaction createSvpFundTransaction(Federation proposedFederation, C
// add outputs to proposed fed and proposed fed with flyover prefix
svpFundTransaction.addOutput(spendableValueFromProposedFederation, proposedFederation.getAddress());

Address proposedFederationWithFlyoverPrefixAddress = getProposedFederationWithFlyoverPrefixAddress(proposedFederation.getRedeemScript());
Address proposedFederationWithFlyoverPrefixAddress =
getFlyoverAddress(networkParameters, bridgeConstants.getProposedFederationFlyoverPrefix(), proposedFederation.getRedeemScript());
svpFundTransaction.addOutput(spendableValueFromProposedFederation, proposedFederationWithFlyoverPrefixAddress);

// complete tx with input and change output
Expand All @@ -1006,14 +1008,6 @@ private BtcTransaction createSvpFundTransaction(Federation proposedFederation, C
return svpFundTransaction;
}

private Address getProposedFederationWithFlyoverPrefixAddress(Script federationRedeemScript) {
FlyoverRedeemScriptBuilder flyoverRedeemScriptBuilder = new FlyoverRedeemScriptBuilderImpl();
Script federationWithFlyoverPrefixRedeemScript = flyoverRedeemScriptBuilder.addFlyoverDerivationHashToRedeemScript(bridgeConstants.getProposedFederationFlyoverPrefix(), federationRedeemScript);
Script federationWithFlyoverPrefixP2SHScript = ScriptBuilder.createP2SHOutputScript(federationWithFlyoverPrefixRedeemScript);

return Address.fromP2SHScript(networkParameters, federationWithFlyoverPrefixP2SHScript);
}

private SendRequest createSvpFundTransactionSendRequest(BtcTransaction transaction) {
SendRequest sendRequest = SendRequest.forTx(transaction);
sendRequest.changeAddress = getActiveFederationAddress();
Expand Down
19 changes: 15 additions & 4 deletions rskj-core/src/main/java/co/rsk/peg/BridgeUtils.java
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Expand Up @@ -19,12 +19,12 @@

import co.rsk.bitcoinj.core.*;
import co.rsk.bitcoinj.crypto.TransactionSignature;
import co.rsk.bitcoinj.script.RedeemScriptParser;
import co.rsk.bitcoinj.script.*;
import co.rsk.bitcoinj.script.RedeemScriptParser.MultiSigType;
import co.rsk.bitcoinj.script.RedeemScriptParserFactory;
import co.rsk.bitcoinj.script.Script;
import co.rsk.bitcoinj.script.ScriptChunk;
import co.rsk.bitcoinj.wallet.Wallet;
import co.rsk.crypto.Keccak256;
import co.rsk.peg.bitcoin.FlyoverRedeemScriptBuilder;
import co.rsk.peg.bitcoin.FlyoverRedeemScriptBuilderImpl;
import co.rsk.peg.constants.BridgeConstants;
import co.rsk.core.RskAddress;
import co.rsk.peg.bitcoin.RskAllowUnconfirmedCoinSelector;
Expand Down Expand Up @@ -251,6 +251,17 @@ private static Coin getAmountSentToWallet(BtcTransaction btcTx, Wallet wallet) {
return btcTx.getValueSentToMe(wallet);
}

public static Address getFlyoverAddress(NetworkParameters networkParameters, Keccak256 flyoverDerivationHash, Script redeemScript) {
Script flyoverScriptPubKey = getFlyoverScriptPubKey(flyoverDerivationHash, redeemScript);
return Address.fromP2SHScript(networkParameters, flyoverScriptPubKey);
}

public static Script getFlyoverScriptPubKey(Keccak256 flyoverDerivationHash, Script redeemScript) {
FlyoverRedeemScriptBuilder flyoverRedeemScriptBuilder = new FlyoverRedeemScriptBuilderImpl();
Script flyoverRedeemScript = flyoverRedeemScriptBuilder.addFlyoverDerivationHashToRedeemScript(flyoverDerivationHash, redeemScript);
return ScriptBuilder.createP2SHOutputScript(flyoverRedeemScript);
}

public static List<UTXO> getUTXOsSentToAddresses(
ActivationConfig.ForBlock activations,
NetworkParameters networkParameters,
Expand Down
5 changes: 2 additions & 3 deletions rskj-core/src/test/java/co/rsk/peg/BridgeSupportTest.java
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Expand Up @@ -721,9 +721,8 @@ private void assertOneOutputIsToProposedFederationWithExpectedAmount(List<Transa
}

private void assertOneOutputIsToProposedFederationWithFlyoverPrefixWithExpectedAmount(List<TransactionOutput> svpFundTransactionUnsignedOutputs) {
FlyoverRedeemScriptBuilder flyoverRedeemScriptBuilder = new FlyoverRedeemScriptBuilderImpl();
Script redeemScriptWithFlyoverPrefix = flyoverRedeemScriptBuilder.addFlyoverDerivationHashToRedeemScript(bridgeMainNetConstants.getProposedFederationFlyoverPrefix(), proposedFederation.getRedeemScript());
Script proposedFederationWithFlyoverPrefixScriptPubKey = ScriptBuilder.createP2SHOutputScript(redeemScriptWithFlyoverPrefix);
Script proposedFederationWithFlyoverPrefixScriptPubKey =
BridgeUtils.getFlyoverScriptPubKey(bridgeMainNetConstants.getProposedFederationFlyoverPrefix(), proposedFederation.getRedeemScript());

Optional<TransactionOutput> outputToProposedFederationWithFlyoverPrefixOpt = searchForOutput(svpFundTransactionUnsignedOutputs, proposedFederationWithFlyoverPrefixScriptPubKey);
assertTrue(outputToProposedFederationWithFlyoverPrefixOpt.isPresent());
Expand Down
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