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#7608: Fix evmtool JSON Error Field to Return Hex String Instead of Long Null #7774

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#7608: Fix evmtool JSON Error Field to Return Hex String Instead of Long Null #7774

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4 changes: 1 addition & 3 deletions ethereum/evmtool/src/main/java/org/hyperledger/besu/evmtool/EvmToolCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -529,9 +529,7 @@ public void run() {
messageFrame
.getExceptionalHaltReason()
.ifPresent(haltReason -> out.println(haltReason));
messageFrame
.getRevertReason()
.ifPresent(bytes -> out.println(new String(bytes.toArrayUnsafe(), UTF_8)));
messageFrame.getRevertReason().ifPresent(bytes -> out.println(bytes.toHexString()));
}
}
}
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2 changes: 1 addition & 1 deletion ethereum/evmtool/src/test/resources/org/hyperledger/besu/evmtool/trace/revert.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
{"pc":7,"op":82,"gas":"0x2540be3fa","gasCost":"0x6","memSize":0,"stack":["0x4e6f7065","0x0"],"depth":1,"refund":0,"opName":"MSTORE"},
{"pc":8,"op":96,"gas":"0x2540be3f4","gasCost":"0x3","memSize":32,"stack":[],"depth":1,"refund":0,"opName":"PUSH1"},
{"pc":10,"op":96,"gas":"0x2540be3f1","gasCost":"0x3","memSize":32,"stack":["0x4"],"depth":1,"refund":0,"opName":"PUSH1"},
{"pc":12,"op":253,"gas":"0x2540be3ee","gasCost":"0x0","memSize":32,"stack":["0x4","0x1c"],"depth":1,"refund":0,"opName":"REVERT","error":"Nope"},
{"pc":12,"op":253,"gas":"0x2540be3ee","gasCost":"0x0","memSize":32,"stack":["0x4","0x1c"],"depth":1,"refund":0,"opName":"REVERT","error":"0x4e6f7065"},
{"stateRoot":"0x405bbd98da2aca6dff77f79e0b270270c48d6a3e07b76db675b20e454b50bbcb","output":"0x4e6f7065","gasUsed":"0x12","pass":true,"fork":"Cancun"}
]
}
35 changes: 1 addition & 34 deletions evm/src/main/java/org/hyperledger/besu/evm/tracing/StandardJsonTracer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,6 @@
*/
package org.hyperledger.besu.evm.tracing;

import static com.google.common.base.Strings.padStart;

import org.hyperledger.besu.evm.code.OpcodeInfo;
import org.hyperledger.besu.evm.frame.ExceptionalHaltReason;
import org.hyperledger.besu.evm.frame.MessageFrame;
Expand Down Expand Up @@ -224,45 +222,14 @@ public void tracePostExecution(
.append("\"");
} else if (messageFrame.getRevertReason().isPresent()) {
sb.append(",\"error\":\"")
.append(quoteEscape(messageFrame.getRevertReason().orElse(Bytes.EMPTY)))
.append(messageFrame.getRevertReason().get().toHexString())
.append("\"");
}

sb.append(storageString).append("}");
out.println(sb);
}

private static String quoteEscape(final Bytes bytes) {
final StringBuilder result = new StringBuilder(bytes.size());
for (final byte b : bytes.toArrayUnsafe()) {
final int c = Byte.toUnsignedInt(b);
// list from RFC-4627 section 2
if (c == '"') {
result.append("\\\"");
} else if (c == '\\') {
result.append("\\\\");
} else if (c == '/') {
result.append("\\/");
} else if (c == '\b') {
result.append("\\b");
} else if (c == '\f') {
result.append("\\f");
} else if (c == '\n') {
result.append("\\n");
} else if (c == '\r') {
result.append("\\r");
} else if (c == '\t') {
result.append("\\t");
} else if (c <= 0x1F) {
result.append("\\u");
result.append(padStart(Integer.toHexString(c), 4, '0'));
} else {
result.append((char) b);
}
}
return result.toString();
}

@Override
public void tracePrecompileCall(
final MessageFrame frame, final long gasRequirement, final Bytes output) {
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5 changes: 1 addition & 4 deletions evm/src/test/java/org/hyperledger/besu/evm/toy/EvmToyCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,6 @@

import java.io.PrintStream;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.util.Deque;
import java.util.List;

Expand Down Expand Up @@ -208,9 +207,7 @@ public void run() {
out.println(messageFrame.getExceptionalHaltReason().get());
}
if (messageFrame.getRevertReason().isPresent()) {
out.println(
new String(
messageFrame.getRevertReason().get().toArrayUnsafe(), StandardCharsets.UTF_8));
out.println(messageFrame.getRevertReason().get().toHexString());
}
}
if (messageFrameStack.isEmpty()) {
Expand Down