{
  "trx_id": "cd21a1c10956488fb355c740ef3a2e38cb819c5c",
  "block": 4228172,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-19T21:18:03",
  "op": [
    "vote",
    {
      "voter": "nosebridge",
      "author": "pinhead26",
      "permlink": "re-jl777-re-pinhead26-re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160819t002736941z",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "d1e6e283a71e950d19a95532154f653dbc68d123",
  "block": 4204152,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-19T00:59:42",
  "op": [
    "comment",
    {
      "parent_author": "pinhead26",
      "parent_permlink": "re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t232451363z",
      "author": "jl777",
      "permlink": "re-pinhead26-re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160819t005941796z",
      "title": "",
      "body": "yes, you found it. casting an int to char will truncate it",
      "json_metadata": "{\"tags\":[\"bitcoin\"]}"
    }
  ]
}

{
  "trx_id": "2100ee9cbb4006b6e1ace15136de3f56a13ccac8",
  "block": 4203518,
  "trx_in_block": 6,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-19T00:27:36",
  "op": [
    "comment",
    {
      "parent_author": "jl777",
      "parent_permlink": "re-pinhead26-re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t234635928z",
      "author": "pinhead26",
      "permlink": "re-jl777-re-pinhead26-re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160819t002736941z",
      "title": "",
      "body": "Maybe it's this line right here, casting ` nHashType` as an `unsigned char` (1 byte):\nhttps://github.com/bitcoin/bitcoin/blob/d612837814020ae832499d18e6ee5eb919a87907/src/script/sign.cpp#L32",
      "json_metadata": "{\"tags\":[\"bitcoin\"],\"links\":[\"https://github.com/bitcoin/bitcoin/blob/d612837814020ae832499d18e6ee5eb919a87907/src/script/sign.cpp#L32\"]}"
    }
  ]
}

{
  "trx_id": "beec50d8e93e4d34f391ddf781e8cf3b19f54408",
  "block": 4202703,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-18T23:46:36",
  "op": [
    "comment",
    {
      "parent_author": "pinhead26",
      "parent_permlink": "re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t232451363z",
      "author": "jl777",
      "permlink": "re-pinhead26-re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t234635928z",
      "title": "",
      "body": "the signature is generated, 70 to 72 bytes (maybe I am off by 1 here), and the sighash byte is just added to the end. It is in the protocol spec, so that is what I did and it works. not familiar with bitcoind code as I wrote iguanacore from scratch",
      "json_metadata": "{\"tags\":[\"bitcoin\"]}"
    }
  ]
}

{
  "trx_id": "1530b4c75fa3ba26a741a3e9b7b2c0815acf6370",
  "block": 4202277,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-18T23:24:51",
  "op": [
    "comment",
    {
      "parent_author": "jl777",
      "parent_permlink": "re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t231059861z",
      "author": "pinhead26",
      "permlink": "re-jl777-re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t232451363z",
      "title": "",
      "body": "Right that's what I meant sorry, 4 bytes are signed but only 1 byte goes into the serialized transaction for broadcast. So what I'm asking is, where in the Tx serialization process is the 4 bytes reduced to 1? Like literally where in the code or protocol spec?",
      "json_metadata": "{\"tags\":[\"bitcoin\"]}"
    }
  ]
}

{
  "trx_id": "c26e1896f4f4842d862149c49182bc72188c8554",
  "block": 4202000,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-18T23:10:57",
  "op": [
    "comment",
    {
      "parent_author": "pinhead26",
      "parent_permlink": "re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t221710952z",
      "author": "jl777",
      "permlink": "re-pinhead26-re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t231059861z",
      "title": "",
      "body": "HASH(the modified tx with the 4 byte sighash int) -> 256 bits that is signed\nthen the SIGHASH byte (not int) is concatenated to the signature and that is what goes in the blockchain. it is explained in the http://bitcoinfactswiki.github.io/OP_CHECKSIG/",
      "json_metadata": "{\"tags\":[\"bitcoin\"],\"links\":[\"http://bitcoinfactswiki.github.io/OP_CHECKSIG/\"]}"
    }
  ]
}

{
  "trx_id": "3948682c4d360061f198522a988e09f9782128d8",
  "block": 4200938,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-18T22:17:09",
  "op": [
    "comment",
    {
      "parent_author": "jl777",
      "parent_permlink": "bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes",
      "author": "pinhead26",
      "permlink": "re-jl777-bitcoin-spinoff-fork-how-to-make-a-clean-fork-without-any-replay-attack-and-no-blockchain-visible-changes-20160818t221710952z",
      "title": "",
      "body": "Where in the Core code does the SIGHASH `int` get truncated to 1 byte before signing?",
      "json_metadata": "{\"tags\":[\"bitcoin\"]}"
    }
  ]
}

{
  "trx_id": "58e593679ec3950532019eb4c6d0683bcdc13682",
  "block": 4200920,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2016-08-18T22:16:15",
  "op": [
    "account_create",
    {
      "fee": "3.000 STEEM",
      "creator": "steem",
      "new_account_name": "pinhead26",
      "owner": {
        "weight_threshold": 1,
        "account_auths": [],
        "key_auths": [
          [
            "STM6iibdF2nRHpWuSCS8p2STi5BycRc8S4FthbeVqXwtjBDDxtChQ",
            1
          ]
        ]
      },
      "active": {
        "weight_threshold": 1,
        "account_auths": [],
        "key_auths": [
          [
            "STM7ZtG9KWpkTUYfqPHuvjMzw8MXm7XdSc3L6yYcgskhXeziP8LjE",
            1
          ]
        ]
      },
      "posting": {
        "weight_threshold": 1,
        "account_auths": [],
        "key_auths": [
          [
            "STM4zj4LibV78eyWVo7sCUBTss8Mh9mT5YdUrNEUMUGD6dJNR5e1S",
            1
          ]
        ]
      },
      "memo_key": "STM7M1Dr1kcumrwf8Xno8BQb334w8q4v2FTfpshyh8CaDHTHcX49K",
      "json_metadata": ""
    }
  ]
}