From 4e8c8d405416787476d08059b09ab78c3315c01d Mon Sep 17 00:00:00 2001
From: Jack Robison <jackrobison@lbry.io>
Date: Mon, 2 May 2022 14:59:39 -0400
Subject: [PATCH] return transaction as json if `verbose` is given to
 `blockchain.transaction.get`

-fixes https://github.com/lbryio/scribe/issues/27
---
 scribe/blockchain/transaction/__init__.py | 46 +++++++++++++++++++++++
 scribe/hub/session.py                     |  7 ++--
 2 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/scribe/blockchain/transaction/__init__.py b/scribe/blockchain/transaction/__init__.py
index 6064314..07cb2d8 100644
--- a/scribe/blockchain/transaction/__init__.py
+++ b/scribe/blockchain/transaction/__init__.py
@@ -4,6 +4,7 @@ import typing
 from dataclasses import dataclass
 from struct import Struct
 from scribe.schema.claim import Claim
+from scribe.common import double_sha256
 
 if (sys.version_info.major, sys.version_info.minor) > (3, 7):
     cachedproperty = functools.cached_property
@@ -84,6 +85,51 @@ class Tx(typing.NamedTuple):
     flag: typing.Optional[int] = None
     witness: typing.Optional[typing.List[typing.List[bytes]]] = None
 
+    def as_dict(self, coin):
+        txid = double_sha256(self.raw)[::-1].hex()
+        result = {
+          "txid": txid,
+          "hash": txid,
+          "version": self.version,
+          "size": len(self.raw),
+          "vsize": len(self.raw),
+          "weight": None,
+          "locktime": self.locktime,
+          "vin": [
+              {
+                  "txid": txin.prev_hash[::-1].hex(),
+                  "vout": txin.prev_idx,
+                  "scriptSig": {
+                      "asm": None,
+                      "hex": txin.script.hex()
+                  },
+                  "sequence": txin.sequence
+              } for txin in self.inputs
+          ],
+          "vout": [
+              {
+                  "value": txo.value / 1E8,
+                  "n": txo.nout,
+                  "scriptPubKey": {
+                      "asm": None,
+                      "hex": txo.pk_script.hex(),
+                      "reqSigs": 1,
+                      "type": "nonstandard" if (txo.is_support or txo.is_claim or txo.is_update) else "pubkeyhash" if txo.pubkey_hash else "scripthash",
+                      "addresses": [
+                          coin.claim_address_handler(txo)
+                      ]
+                  }
+              } for txo in self.outputs
+          ],
+          "hex": self.raw.hex()
+        }
+        for n, txo in enumerate(self.outputs):
+            if txo.is_support or txo.is_claim or txo.is_update:
+                result['vout'][n]["scriptPubKey"]["isclaim"] = txo.is_claim or txo.is_update
+                result['vout'][n]["scriptPubKey"]["issupport"] = txo.is_support
+                result['vout'][n]["scriptPubKey"]["subtype"] = "pubkeyhash" if txo.pubkey_hash else "scripthash"
+        return result
+
 
 class TxInput(typing.NamedTuple):
     prev_hash: bytes
diff --git a/scribe/hub/session.py b/scribe/hub/session.py
index 3ffce6d..cb4a45a 100644
--- a/scribe/hub/session.py
+++ b/scribe/hub/session.py
@@ -1668,13 +1668,14 @@ class LBRYElectrumX(asyncio.Protocol):
         verbose: passed on to the daemon
         """
         assert_tx_hash(txid)
-        if verbose not in (True, False):
-            raise RPCError(BAD_REQUEST, f'"verbose" must be a boolean')
+        verbose = bool(verbose)
         tx_hash_bytes = bytes.fromhex(txid)[::-1]
 
         raw_tx = await asyncio.get_event_loop().run_in_executor(None, self.db.get_raw_tx, tx_hash_bytes)
         if raw_tx:
-            return raw_tx.hex()
+            if not verbose:
+                return raw_tx.hex()
+            return self.coin.transaction(raw_tx).as_dict(self.coin)
         return RPCError("No such mempool or blockchain transaction.")
 
     def _get_merkle_branch(self, tx_hashes, tx_pos):