github.1485827954.workers.dev/ethereum/go-ethereum@v1.14.3/eth/tracers/internal/tracetest/makeTest.js (about)

     1  // makeTest generates a test for the configured tracer by running
     2  // a prestate reassembled and a call trace run, assembling all the
     3  // gathered information into a test case.
     4  var makeTest = function(tx, traceConfig) {
     5      // Generate the genesis block from the block, transaction and prestate data
     6      var block   = eth.getBlock(eth.getTransaction(tx).blockHash);
     7      var genesis = eth.getBlock(block.parentHash);
     8  
     9      delete genesis.gasUsed;
    10      delete genesis.logsBloom;
    11      delete genesis.parentHash;
    12      delete genesis.receiptsRoot;
    13      delete genesis.sha3Uncles;
    14      delete genesis.size;
    15      delete genesis.transactions;
    16      delete genesis.transactionsRoot;
    17      delete genesis.uncles;
    18  
    19      genesis.gasLimit  = genesis.gasLimit.toString();
    20      genesis.number    = genesis.number.toString();
    21      genesis.timestamp = genesis.timestamp.toString();
    22  
    23      genesis.alloc = debug.traceTransaction(tx, {tracer: "prestateTracer"});
    24      for (var key in genesis.alloc) {
    25          var nonce = genesis.alloc[key].nonce;
    26          if (nonce) {
    27              genesis.alloc[key].nonce = nonce.toString();
    28          }
    29      }
    30      genesis.config = admin.nodeInfo.protocols.eth.config;
    31  
    32      // Generate the call trace and produce the test input
    33      var result = debug.traceTransaction(tx, traceConfig);
    34      delete result.time;
    35  
    36      var context = {
    37          number:     block.number.toString(),
    38          difficulty: block.difficulty,
    39          timestamp:  block.timestamp.toString(),
    40          gasLimit:   block.gasLimit.toString(),
    41          miner:      block.miner,
    42      };
    43      if (block.baseFeePerGas) {
    44          context.baseFeePerGas = block.baseFeePerGas.toString();
    45      }
    46  
    47      console.log(JSON.stringify({
    48          genesis: genesis,
    49          context: context,
    50          input:  eth.getRawTransaction(tx),
    51          result: result,
    52      }, null, 2));
    53  }