From 2be5e24d434f3a782eb8bac539613ae6c1b6de2e Mon Sep 17 00:00:00 2001 From: niftynei Date: Thu, 4 Jun 2020 21:46:42 -0500 Subject: [PATCH 1/3] psbt: dont sign inputs we've already got a sig for if we sign an input twice, it'll marshal to b64 correctly but blow up on the unmarshal. rather than creating invalid psbts, we simply refuse to sign an input that's already been signed by the given pubkey --- src/psbt.c | 19 ++++++++++++++++++- src/test/data/psbt.json | 30 +++++++++++++++++++++++------- src/test/test_psbt.py | 3 +++ 3 files changed, 44 insertions(+), 8 deletions(-) diff --git a/src/psbt.c b/src/psbt.c index d89937e5b..2ea4ba9a8 100644 --- a/src/psbt.c +++ b/src/psbt.c @@ -2542,7 +2542,7 @@ int wally_sign_psbt( struct wally_tx_input *txin = &psbt->tx->inputs[i]; unsigned char sighash[SHA256_LEN], *scriptcode, wpkh_sc[WALLY_SCRIPTPUBKEY_P2PKH_LEN]; size_t scriptcode_len; - bool match = false, comp = false; + bool match = false, comp = false, already_signed = false; uint32_t sighash_type = WALLY_SIGHASH_ALL; if (!input->keypaths) { @@ -2568,6 +2568,23 @@ int wally_sign_psbt( continue; } + /* Make sure we don't already have a sig for this input ?! */ + if (input->partial_sigs) { + for (j = 0; j < input->partial_sigs->num_items; j++) { + struct wally_partial_sigs_item *item = &input->partial_sigs->items[j]; + if (memcmp((char *)item->pubkey, (char *)uncomp_pubkey, EC_PUBLIC_KEY_UNCOMPRESSED_LEN) == 0 + || memcmp((char *)item->pubkey, (char *)pubkey, EC_PUBLIC_KEY_LEN) == 0) { + already_signed = true; + break; + } + } + } + + /* We've already got a partial sig for this pubkey on this input */ + if (already_signed) { + continue; + } + /* Sighash type */ if (input->sighash_type > 0) { sighash_type = input->sighash_type; diff --git a/src/test/data/psbt.json b/src/test/data/psbt.json index 7d46f50cc..fcf1e3524 100644 --- a/src/test/data/psbt.json +++ b/src/test/data/psbt.json @@ -93,6 +93,16 @@ ], "psbt" : "cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEBItPf9QUAAAAAGXapFNSO0xELlAFMsRS9Mtb00GbcdCVriKwAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIACICAurVlmh8qAYEPtw94RbN8p1eklfBls0FXPaYyNAr8k6ZELSmumcAAACAAAAAgAIAAIAAIgIDlPYr6d8ZlSxVh3aK63aYBhrSxKJciU9H2MFitNchPQUQtKa6ZwAAAIABAACAAgAAgAA=", "result" : "cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEBItPf9QUAAAAAGXapFNSO0xELlAFMsRS9Mtb00GbcdCVriKwAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIACICAurVlmh8qAYEPtw94RbN8p1eklfBls0FXPaYyNAr8k6ZELSmumcAAACAAAAAgAIAAIAAIgIDlPYr6d8ZlSxVh3aK63aYBhrSxKJciU9H2MFitNchPQUQtKa6ZwAAAIABAACAAgAAgAA=" + }, + { + "comment": "attempting to sign an input a second time should be a no-op", + "privkeys" : [ + "cT7J9YpCwY3AVRFSjN6ukeEeWY6mhpbJPxRaDaP5QTdygQRxP9Au", + "cNBc3SWUip9PPm1GjRoLEJT6T41iNzCYtD7qro84FMnM5zEqeJsE", + "cNBc3SWUip9PPm1GjRoLEJT6T41iNzCYtD7qro84FMnM5zEqeJsE" + ], + "psbt" : "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", + "result" : "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" } ], "inval_signer" : [ @@ -100,22 +110,22 @@ "privkeys" : [ "cT7J9YpCwY3AVRFSjN6ukeEeWY6mhpbJPxRaDaP5QTdygQRxP9Au" ], - "psbt" : "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", - "result" : "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" + "psbt" : "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", + "result" : "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" }, { "privkeys" : [ "cNBc3SWUip9PPm1GjRoLEJT6T41iNzCYtD7qro84FMnM5zEqeJsE" ], - "psbt" : 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"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", + "result" : "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" } ], "combiner" : [ @@ -136,9 +146,15 @@ ], "finalizer" : [ { + "comment" : "two multisig inputs, one P2SH the other P2SH-P2WSH", "finalize" : "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", "result" : "cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWABTYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFgAUAK6pouXw+HaliN9VRuh0LR2HAI8AAAAAAAEAuwIAAAABqtc5MQGL0l+ErkALaISL4J23BurCrBgpi6vucatlb4sAAAAASEcwRAIgWPb8fGoz4bMVSNSByCbAFb0wE1qtQs1neQ2rZtKtJDsCIEoc7SYExnNbY5PltBaR3XiwDwxZQvufdRhW+qk4FX26Af7///8CgPD6AgAAAAAXqRQPuUY0IWlrgsgzryQceMF9295JNIfQ8gonAQAAABepFCnKdPigj4GZlCgYXJe12FLkBj9hh2UAAAABB9oARzBEAiB0AYrUGACXuHMyPAAVcgs2hMyBI4kQSOfbzZtVrWecmQIgc9Npt0Dj61Pc76M4I8gHBRTKVafdlUTxV8FnkTJhEYwBSDBFAiEA9hA4swjcHahlo0hSdG8BV3KTQgjG0kRUOTzZm98iF3cCIAVuZ1pnWm0KArhbFOXikHTYolqbV2C+ooFvZhkQoAbqAUdSIQKVg785rgpgl0etGZrd1jT6YQhVnWxc05tMIYPxq5bgfyEC2rYf9JoU22p9ArDNH7t4/EsYMStbTlTa5Nui+/71NtdSrgABASAAwusLAAAAABepFLf1+vQOPUClpFmx2zU18rcvqSHohwEHIyIAIIwjUxc3Q7WV37Sge3K6jkLjeX2nTof+fZ10l+OyAokDAQjaBABHMEQCIGLrelVhB6fHP0WsSrWh3d9vcHX7EnWWmn84Pv/3hLyyAiAMBdu3Rw2/LwhVfdNWxzJcHtMJE+mWzThAlF2xIijaXwFHMEQCIGX0W6WZi1mif/4ae+0BavHx+Q1Us6qPdFCqX1aiUQO9AiB/ckcDrR7blmgLKEtW1P/LiPf7dZ6rvgiqMPKbhROD0gFHUiEDCJ3BDHrG21T5EymvYXMz2ziM6tDCMfcjN50bmQMLAtwhAjrdkE89bc9Z3bkGsN7iNSm3/7ntUOXoYVGSaGAiHw5zUq4AIgIDqaTDf1mW06ol26xrVwrwZQOUSSlCRgs1R1Ptnuylh3EQ2QxqTwAAAIAAAACABAAAgAAiAgJ/Y5l1fS7/VaE2rQLGhLGDi2VW5fG2s0KCqUtrUAUQlhDZDGpPAAAAgAAAAIAFAACAAA==" - } + }, + { + "comment" : "two P2WPKH inputs sent to the same address", + "finalize" : "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", + "result" : "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" + } ], "extractor" : [ { diff --git a/src/test/test_psbt.py b/src/test/test_psbt.py index d81f6acca..f9d07258d 100644 --- a/src/test/test_psbt.py +++ b/src/test/test_psbt.py @@ -80,11 +80,14 @@ def test_serialization(self): ret, reser = wally_psbt_to_base64(psbt) self.assertEqual(WALLY_OK, ret) + # Check that we can *demarshal* the signed PSBT (some bugs only appear here) + self.assertEqual(WALLY_OK, wally_psbt_from_base64(reser, psbt)) self.assertEqual(signer['result'], reser) for inval_signer in inval_signers: psbt = pointer(wally_psbt()) self.assertEqual(WALLY_OK, wally_psbt_from_base64(inval_signer['psbt'].encode('utf-8'), psbt)) + for priv in inval_signer['privkeys']: buf, buf_len = make_cbuffer('00'*32) self.assertEqual(WALLY_OK, wally_wif_to_bytes(priv.encode('utf-8'), 0xEF, 0, buf, buf_len)) From 15cfde46daa15944f8e091b4267d3d53ec985a9a Mon Sep 17 00:00:00 2001 From: niftynei Date: Fri, 5 Jun 2020 16:18:21 -0500 Subject: [PATCH 2/3] psbt: fix signing for p2sh-p2wpkh and test as implemented, we don't properly sign for p2sh-p2wpkh inputs; here we fix the issue and add a new test case to cover both p2sh-p2wpkh and p2wpkh signature generation --- src/psbt.c | 19 ++++++++++++++----- src/test/data/psbt.json | 9 +++++++++ 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/src/psbt.c b/src/psbt.c index 2ea4ba9a8..d28c108db 100644 --- a/src/psbt.c +++ b/src/psbt.c @@ -2714,7 +2714,9 @@ int wally_finalize_psbt(struct wally_psbt *psbt) for (i = 0; i < psbt->num_inputs; ++i) { struct wally_psbt_input *input = &psbt->inputs[i]; struct wally_tx_input *txin = &psbt->tx->inputs[i]; - unsigned char *out_script = NULL; /* Script that determines how we should finalize this input, typically output script */ + /* Script for this input. originally set to the input's scriptPubKey, but in the case of a p2sh/p2wsh + * input, it will be eventually be set to the unhashed script, if known */ + unsigned char *out_script = NULL; size_t out_script_len, type; bool witness = false, p2sh = false;; @@ -2723,15 +2725,22 @@ int wally_finalize_psbt(struct wally_psbt *psbt) continue; } - if (input->redeem_script) { - out_script = input->redeem_script; - out_script_len = input->redeem_script_len; - p2sh = true; + /* Note that if we patch libwally to supply the non-witness utxo tx field (tx) for + * witness inputs also, we'll need a different way to signal p2sh-p2wpkh scripts */ + if (input->witness_utxo && input->witness_utxo->script_len > 0) { + out_script = input->witness_utxo->script; + out_script_len = input->witness_utxo->script_len; + witness = true; } else if (input->non_witness_utxo && input->non_witness_utxo->num_outputs > txin->index) { struct wally_tx_output out = input->non_witness_utxo->outputs[txin->index]; out_script = out.script; out_script_len = out.script_len; } + if (input->redeem_script) { + out_script = input->redeem_script; + out_script_len = input->redeem_script_len; + p2sh = true; + } if (input->witness_script) { out_script = input->witness_script; out_script_len = input->witness_script_len; diff --git a/src/test/data/psbt.json b/src/test/data/psbt.json index fcf1e3524..a796dc7e9 100644 --- a/src/test/data/psbt.json +++ b/src/test/data/psbt.json @@ -94,6 +94,15 @@ "psbt" : "cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEBItPf9QUAAAAAGXapFNSO0xELlAFMsRS9Mtb00GbcdCVriKwAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIACICAurVlmh8qAYEPtw94RbN8p1eklfBls0FXPaYyNAr8k6ZELSmumcAAACAAAAAgAIAAIAAIgIDlPYr6d8ZlSxVh3aK63aYBhrSxKJciU9H2MFitNchPQUQtKa6ZwAAAIABAACAAgAAgAA=", "result" : "cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEBItPf9QUAAAAAGXapFNSO0xELlAFMsRS9Mtb00GbcdCVriKwAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIACICAurVlmh8qAYEPtw94RbN8p1eklfBls0FXPaYyNAr8k6ZELSmumcAAACAAAAAgAIAAIAAIgIDlPYr6d8ZlSxVh3aK63aYBhrSxKJciU9H2MFitNchPQUQtKa6ZwAAAIABAACAAgAAgAA=" }, + { + "comment" : "sign a p2sh-p2wpkh and a p2wpkh", + "privkeys" : [ + "cQSZbfvGM1uds4KUpR1MtZGgm3d3KsJtgfVWRdJxn54tsp8paTq7", + "cSTXie9JsKKh8DynFfvxPMERh8TADbyZNpNitVoq4x9ZYLFXafH6" + ], + "psbt" : "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", + "result" : "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" + }, { "comment": "attempting to sign an input a second time should be a no-op", "privkeys" : [ From e0d0634aea716d813744326ea6c7590eb9fc381c Mon Sep 17 00:00:00 2001 From: niftynei Date: Fri, 5 Jun 2020 18:45:16 -0500 Subject: [PATCH 3/3] psbt: for p2sh-p2wpkh, fill in the scriptSig for finalize prior to this patch, p2sh-p2wpkh doesn't finalize correctly -- it omits filling in the scriptSig with the redeem-script data fixing this matches bitcoind's `finalizepsbt` behavior --- src/psbt.c | 12 +++++++++++- src/test/data/psbt.json | 5 +++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/src/psbt.c b/src/psbt.c index d28c108db..34a5e0244 100644 --- a/src/psbt.c +++ b/src/psbt.c @@ -2761,7 +2761,7 @@ int wally_finalize_psbt(struct wally_psbt *psbt) case WALLY_SCRIPT_TYPE_P2WPKH: { struct wally_partial_sigs_item *partial_sig; unsigned char script_sig[WALLY_SCRIPTSIG_P2PKH_MAX_LEN]; - size_t script_sig_len, pubkey_len = EC_PUBLIC_KEY_UNCOMPRESSED_LEN; + size_t written, script_sig_len, pubkey_len = EC_PUBLIC_KEY_UNCOMPRESSED_LEN; if (!input->partial_sigs || input->partial_sigs->num_items != 1) { /* Must be single key, single sig */ @@ -2783,6 +2783,16 @@ int wally_finalize_psbt(struct wally_psbt *psbt) if ((ret = wally_witness_p2wpkh_from_der(partial_sig->pubkey, pubkey_len, partial_sig->sig, partial_sig->sig_len, &input->final_witness)) != WALLY_OK) { return ret; } + if (input->redeem_script) { + /* P2SH wrapped witness requires final scriptsig of pushing the redeemScript */ + script_sig_len = varint_get_length(input->redeem_script_len) + input->redeem_script_len; + input->final_script_sig = wally_malloc(script_sig_len); + if ((ret = wally_script_push_from_bytes(input->redeem_script, input->redeem_script_len, 0, input->final_script_sig, script_sig_len, &written)) != WALLY_OK) { + wally_free(input->final_script_sig); + return ret; + } + input->final_script_sig_len = written; + } } break; } diff --git a/src/test/data/psbt.json b/src/test/data/psbt.json index a796dc7e9..d17719b96 100644 --- a/src/test/data/psbt.json +++ b/src/test/data/psbt.json @@ -163,6 +163,11 @@ "comment" : "two P2WPKH inputs sent to the same address", "finalize" : "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", "result" : "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" + }, + { + "comment" : "check that P2SH-P2WPKH sets the script-sig on the finalized psbt", + "finalize" : "cHNidP8BAH0CAAAAAYnikPyZ/IXbo+BHyugvpDVC660nA+cCIA6OFzsfyjJAAAAAAAD+////AkBCDwAAAAAAIgAgW4zTuRTPZ83Y+mJzyTA1PdNkdnNPvZYhAsLfU7kIgM2oP4kAAAAAABYAFAccScrS9CDzyAX59rmKVyacsUFQAAAAAAABASCAlpgAAAAAABepFNi369DMyAJmqX2agouvGHcDKsZkhyICA9dFRFyTYmZfIuDZbp52byc/MmDeo5yKdr+gXdJoTdzPRzBEAiAx5ChxDPlGJDbrgn7h8KynZ/wOv137HWD7TF1O8IcVfAIgGmJiTTGvBfci8it6PNqEYkdOqgebM585OPBeO8v0qCkBAQQWABQB+tkKvNZml+JZIWRyLeSpXr7hZSIGA9dFRFyTYmZfIuDZbp52byc/MmDeo5yKdr+gXdJoTdzPCAH62QoAAAAAAAAA", + "result" : "cHNidP8BAH0CAAAAAYnikPyZ/IXbo+BHyugvpDVC660nA+cCIA6OFzsfyjJAAAAAAAD+////AkBCDwAAAAAAIgAgW4zTuRTPZ83Y+mJzyTA1PdNkdnNPvZYhAsLfU7kIgM2oP4kAAAAAABYAFAccScrS9CDzyAX59rmKVyacsUFQAAAAAAABASCAlpgAAAAAABepFNi369DMyAJmqX2agouvGHcDKsZkhwEHFxYAFAH62Qq81maX4lkhZHIt5KlevuFlAQhrAkcwRAIgMeQocQz5RiQ264J+4fCsp2f8Dr9d+x1g+0xdTvCHFXwCIBpiYk0xrwX3IvIrejzahGJHTqoHmzOfOTjwXjvL9KgpASED10VEXJNiZl8i4NlunnZvJz8yYN6jnIp2v6Bd0mhN3M8AAAA=" } ], "extractor" : [