Submodule and test against BCHN, expand VMB test coverage

.changeset/breezy-tables-enjoy.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': patch
+---
+
+Fix operation cost in OP_SIZE

.changeset/clean-adults-explain.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Extend AuthenticationErrorCommon with all transaction verification errors

.changeset/eight-mirrors-arrive.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Add support for warnings in VMB test generation

.changeset/fair-zoos-tap.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Add support for verifying VMB tests against BCHN metrics and fail reasons

.changeset/fast-ghosts-fix.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': patch
+---
+
+Move VMB test duplication checking to start of generation

.changeset/modern-cobras-drop.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Prevent excessive hashing in null-signature CHECKMULTISIG

.changeset/nice-flies-listen.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': patch
+---
+
+Fix operation cost in OP_NIP

.changeset/quiet-ducks-sneeze.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': patch
+---
+
+Fix operation cost in OP_ROLL

.changeset/shaggy-monkeys-tell.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Submodule BCHN and extend package scripts to verify VMB tests

.changeset/short-cars-cheat.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': minor
+---
+
+Expand VMB test coverage

.changeset/wet-pans-confess.md

@@ -0,0 +1,5 @@
+---
+'@bitauth/libauth': patch
+---
+
+Fix bug in isMinimalDataPush for OP_PUSHBYTES_1

.cspell.json

@@ -143,6 +143,7 @@
     "PUBKEYS",
     "PUSHBYTES",
     "PUSHDATA",
+    "pushonly",
     "rebranded",
     "rebranding",
     "redenominated",
@@ -156,6 +157,8 @@
     "satoshis",
     "Sats",
     "schnorr",
+    "scriptonly",
+    "scriptsig",
     "seckey",
     "secp",
     "secp256k1",
@@ -183,6 +186,7 @@
     "txid",
     "TXINPUTCOUNT",
     "TXLOCKTIME",
+    "txns",
     "TXOUTPUTCOUNT",
     "TXVERSION",
     "typeof",
@@ -223,7 +227,8 @@
     "node_modules/**",
     "src/**/*.base64.ts",
     "src/**/script_tests.json",
-    "src/lib/vmb-tests/generated"
+    "src/lib/vmb-tests/generated",
+    "src/lib/vmb-tests/bchn/*.json"
   ],
   "patterns": [
     {

.eslintrc

@@ -7,6 +7,7 @@
     "node_modules",
     "build",
     "coverage",
+    "wasm",
     "src/lib/schema/ajv/*.js"
   ],
   "extends": ["bitauth"],

.gitmodules

@@ -11,3 +11,7 @@
 	path = config/eslint-config-bitauth
 	url = https://github.com/bitauth/eslint-config-bitauth/
 	shallow = true
+[submodule "wasm/bitcoin-cash-node"]
+	path = wasm/bitcoin-cash-node
+	url = https://gitlab.com/bitcoin-cash-node/bitcoin-cash-node.git
+	shallow = true

.prettierignore

@@ -5,4 +5,5 @@ wasm
 package.json
 src/lib/address/fixtures/key_io_*.json
 src/lib/vm/instruction-sets/xec/fixtures/satoshi-client/*.json
-src/lib/vmb-tests/generated
+src/lib/vmb-tests/generated
+src/lib/vmb-tests/bchn/*.json

package.json

@@ -41,6 +41,16 @@
     "build:wasm": "cpy --flat src/lib/bin/secp256k1/secp256k1.wasm build/lib/bin/secp256k1 && cpy --flat src/lib/bin/sha1/sha1.wasm build/lib/bin/sha1 && cpy --flat src/lib/bin/sha256/sha256.wasm build/lib/bin/sha256 && cpy --flat src/lib/bin/sha512/sha512.wasm build/lib/bin/sha512 && cpy --flat src/lib/bin/ripemd160/ripemd160.wasm build/lib/bin/ripemd160",
     "compile:debug:secp256k1": "docker run -it libauth-secp256k1 bash",
     "compile:debug:hashes": "docker run -it libauth-hashes bash",
+    "bchn:cmake": "cd wasm/bitcoin-cash-node/build && cmake -GNinja .. -DBUILD_BITCOIN_WALLET=OFF -DBUILD_BITCOIN_QT=OFF -DENABLE_NATPMP=OFF -DENABLE_MAN=OFF -DCMAKE_BUILD_TYPE=Release",
+    "bchn:build": "cd wasm/bitcoin-cash-node/build && ninja",
+    "bchn:setup": "cd wasm/bitcoin-cash-node && mkdir build && yarn bchn:cmake && yarn bchn:build",
+    "bchn:remove-old-vmb-tests": "rm -r wasm/bitcoin-cash-node/src/test/data/vmb_tests/bch_{2023,2025}_{invalid,nonstandard,standard} && echo 'Removed old VMB tests from: wasm/bitcoin-cash-node/src/test/data/vmb_tests'",
+    "bchn:add-new-vmb-tests": "cp -r src/lib/vmb-tests/generated/* wasm/bitcoin-cash-node/src/test/data/vmb_tests && echo 'Added new VMB tests.'",
+    "bchn:replace-vmb-tests": "yarn bchn:remove-old-vmb-tests && yarn bchn:add-new-vmb-tests",
+    "bchn:run-tests": "cd wasm/bitcoin-cash-node/build && echo 'Building BCHN tests...' && ninja test_bitcoin && echo 'Running VMB tests in BCHN...' && src/test/test_bitcoin -t libauth_tests",
+    "bchn:check-vmb-tests": "yarn bchn:cmake && yarn bchn:build && yarn bchn:run-tests",
+    "bchn:copy-vmb-test-results": "cp wasm/bitcoin-cash-node/build/libauth_expected_test_fail_reasons.json src/lib/vmb-tests/bchn/libauth_expected_test_fail_reasons.json && cp wasm/bitcoin-cash-node/build/libauth_expected_test_metrics.json src/lib/vmb-tests/bchn/libauth_expected_test_metrics.json && echo 'Replaced BCHN files at: src/lib/vmb-tests/bchn'",
+    "bchn:update-vmb-tests": "yarn bchn:replace-vmb-tests && yarn bchn:cmake && yarn bchn:run-tests && yarn bchn:copy-vmb-test-results",
     "fix": "yarn fix:eslint && yarn fix:prettier",
     "fix:prettier": "prettier . --write",
     "fix:eslint": "yarn test:eslint --fix",

src/lib/language/reduce.ts

@@ -11,7 +11,7 @@
   ScriptReductionTraceChildNode,
   ScriptReductionTraceScriptNode,
 } from '../lib.js';
-import { AuthenticationErrorCommon, encodeDataPush } from '../vm/vm.js';
+import { encodeDataPush } from '../vm/vm.js';
 
 import { mergeRanges } from './language-utils.js';
 
@@ -47,10 +47,10 @@
     return state.error;
   }
   if (state.controlStack.length !== 0) {
-    return AuthenticationErrorCommon.nonEmptyControlStack;
+    return `The CashAssembly internal evaluation completed with a non-empty control stack.`;
   }
   if (state.stack.length !== 1) {
-    return AuthenticationErrorCommon.requiresCleanStack;
+    return `The CashAssembly internal evaluation completed with an unexpected number of items on the stack (must be exactly 1).`;
   }
   return true;
 };

src/lib/vm/instruction-sets/bch/2023/bch-2023-descriptions.ts

@@ -1,5 +1,5 @@
 export enum OpcodeDescriptionsBch2023 {
-  OP_0 = 'Push the VM Number 0 onto the stack.',
+  OP_0 = 'Push the VM Number 0 onto the stack. (A.K.A. OP_FALSE or OP_PUSHBYTES_0)',
   OP_PUSHBYTES_1 = 'Push the next byte onto the stack.',
   OP_PUSHBYTES_2 = 'Push the next 2 bytes onto the stack.',
   OP_PUSHBYTES_3 = 'Push the next 3 bytes onto the stack.',
@@ -80,7 +80,7 @@ export enum OpcodeDescriptionsBch2023 {
   OP_PUSHDATA_4 = 'Read the next little-endian Uint32 and push that number of bytes onto the stack.',
   OP_1NEGATE = 'Push the VM Number -1 onto the stack.',
   OP_RESERVED = 'Error unless found in an unexecuted conditional branch. Note: OP_RESERVED does not count toward the opcode limit.',
-  OP_1 = 'Push a 1 (VM Number) onto the stack.',
+  OP_1 = 'Push a 1 (VM Number) onto the stack. (A.K.A. OP_TRUE)',
   OP_2 = 'Push a 2 (VM Number) onto the stack.',
   OP_3 = 'Push a 3 (VM Number) onto the stack.',
   OP_4 = 'Push a 4 (VM Number) onto the stack.',
@@ -144,7 +144,7 @@ export enum OpcodeDescriptionsBch2023 {
   OP_2DIV = 'Error, even when found in an unexecuted conditional branch. (Historically, this divided a VM Number by 2.)',
   OP_NEGATE = 'Pop the top item from the stack as a VM Number, negate it, then push the result.',
   OP_ABS = 'Pop the top item from the stack as a VM Number, take its absolute value, then push the result.',
-  OP_NOT = 'Pop the top item from the stack as a VM Number. If its value is 0, push a 1 (VM Number), otherwise, push a 0 (VM Number).',
+  OP_NOT = 'Pop the top item from the stack as a VM Number. If its value is 0, push a 1 (VM Number), otherwise, push a 0 (VM Number). (A.K.A. OP_0EQUAL)',
   OP_0NOTEQUAL = 'Pop the top item from the stack as a VM Number. If its value is not 0, push a 1 (VM Number), otherwise, push a 0 (VM Number).',
   OP_ADD = 'Pop the top two items from the stack as VM Numbers. Add them, then push the result.',
   OP_SUB = 'Pop the top two items from the stack as VM Numbers. Subtract the top item from the second item, then push the result.',