fix: downgrade tiny-secp256k1 and remove xOnlyPointFromPoint
This commit is contained in:
abhishandy
parent
d75b408931
commit
103abd8eb5
184
package-lock.json
generated
184
package-lock.json
generated
@ -15,7 +15,7 @@
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"bs58check": "^2.1.1",
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"create-hmac": "^1.1.7",
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"ecpair": "^2.0.1",
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"tiny-secp256k1": "^2.2.1"
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"tiny-secp256k1": "^1.1.6"
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},
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"devDependencies": {
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"@types/chai": "^4.3.0",
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@ -643,6 +643,14 @@
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"node": ">=8"
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}
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},
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"node_modules/bindings": {
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"version": "1.5.0",
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"dependencies": {
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"file-uri-to-path": "1.0.0"
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}
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},
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"node_modules/bip174": {
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"version": "2.0.1",
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"resolved": "https://registry.npmjs.org/bip174/-/bip174-2.0.1.tgz",
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@ -710,6 +718,11 @@
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"safe-buffer": "^5.1.2"
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}
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},
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"node_modules/bn.js": {
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"version": "4.12.0",
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"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
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},
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"node_modules/brace-expansion": {
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"version": "1.1.11",
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"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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@ -720,6 +733,11 @@
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"concat-map": "0.0.1"
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}
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},
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"node_modules/brorand": {
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"version": "1.1.0",
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"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
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"version": "1.3.1",
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"resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
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@ -1169,6 +1187,20 @@
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"dev": true
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},
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"node_modules/elliptic": {
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"version": "6.5.4",
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"resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
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"integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
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"dependencies": {
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"bn.js": "^4.11.9",
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"brorand": "^1.1.0",
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"hash.js": "^1.0.0",
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"hmac-drbg": "^1.0.1",
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"inherits": "^2.0.4",
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"minimalistic-assert": "^1.0.1",
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"minimalistic-crypto-utils": "^1.0.1"
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}
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},
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"node_modules/es6-error": {
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"version": "4.1.1",
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"resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.1.1.tgz",
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@ -1206,6 +1238,11 @@
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"node": ">=4"
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}
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},
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"node_modules/file-uri-to-path": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
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"integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
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"node_modules/find-cache-dir": {
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"version": "3.3.2",
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"resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.3.2.tgz",
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@ -1535,6 +1572,15 @@
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"node": ">=4"
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}
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},
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"node_modules/hash.js": {
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"version": "1.1.7",
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"resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
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"integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
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"dependencies": {
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"inherits": "^2.0.3",
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"minimalistic-assert": "^1.0.1"
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}
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},
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"node_modules/hasha": {
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"version": "5.2.2",
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"resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.2.tgz",
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@ -1572,6 +1618,16 @@
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"he": "bin/he"
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}
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},
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"node_modules/hmac-drbg": {
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"version": "1.0.1",
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"resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
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"integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
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"dependencies": {
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"hash.js": "^1.0.3",
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"minimalistic-assert": "^1.0.0",
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"minimalistic-crypto-utils": "^1.0.1"
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}
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},
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"node_modules/html-escaper": {
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"version": "2.0.2",
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"resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
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@ -1988,6 +2044,16 @@
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"safe-buffer": "^5.1.2"
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}
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},
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"node_modules/minimalistic-assert": {
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"version": "1.0.1",
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"resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
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"integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
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},
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"node_modules/minimalistic-crypto-utils": {
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"version": "1.0.1",
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"resolved": "https://registry.npmjs.org/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
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"node_modules/minimatch": {
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"version": "3.1.2",
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"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
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@ -2356,6 +2422,11 @@
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"integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
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"dev": true
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"node_modules/nan": {
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"version": "2.17.0",
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"resolved": "https://registry.npmjs.org/nan/-/nan-2.17.0.tgz",
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"version": "3.3.1",
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"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
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@ -3165,14 +3236,19 @@
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}
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},
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"node_modules/tiny-secp256k1": {
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"version": "2.2.1",
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"resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-2.2.1.tgz",
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"integrity": "sha512-/U4xfVqnVxJXN4YVsru0E6t5wVncu2uunB8+RVR40fYUxkKYUPS10f+ePQZgFBoE/Jbf9H1NBveupF2VmB58Ng==",
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"version": "1.1.6",
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"resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.1.6.tgz",
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"integrity": "sha512-FmqJZGduTyvsr2cF3375fqGHUovSwDi/QytexX1Se4BPuPZpTE5Ftp5fg+EFSuEf3lhZqgCRjEG3ydUQ/aNiwA==",
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"hasInstallScript": true,
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"dependencies": {
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"uint8array-tools": "0.0.7"
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"bindings": "^1.3.0",
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"bn.js": "^4.11.8",
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"create-hmac": "^1.1.7",
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"elliptic": "^6.4.0",
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"nan": "^2.13.2"
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},
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"engines": {
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"node": ">=14.0.0"
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"node": ">=6.0.0"
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}
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},
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"node_modules/to-fast-properties": {
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@ -3390,14 +3466,6 @@
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"node": ">=4.2.0"
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}
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},
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"node_modules/uint8array-tools": {
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"version": "0.0.7",
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"resolved": "https://registry.npmjs.org/uint8array-tools/-/uint8array-tools-0.0.7.tgz",
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"engines": {
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"node": ">=14.0.0"
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}
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"node_modules/util-deprecate": {
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"version": "1.0.2",
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"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
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@ -4006,6 +4074,14 @@
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"dev": true
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"bindings": {
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"version": "1.5.0",
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"requires": {
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"file-uri-to-path": "1.0.0"
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}
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"bip174": {
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"version": "2.0.1",
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"resolved": "https://registry.npmjs.org/bip174/-/bip174-2.0.1.tgz",
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@ -4068,6 +4144,11 @@
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}
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}
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},
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"bn.js": {
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"version": "4.12.0",
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"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
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},
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"brace-expansion": {
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"version": "1.1.11",
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"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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@ -4078,6 +4159,11 @@
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"concat-map": "0.0.1"
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"brorand": {
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"version": "1.1.0",
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@ -4432,6 +4518,20 @@
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"dev": true
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"elliptic": {
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"version": "6.5.4",
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"resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
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"requires": {
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"bn.js": "^4.11.9",
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"brorand": "^1.1.0",
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"hash.js": "^1.0.0",
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"hmac-drbg": "^1.0.1",
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"inherits": "^2.0.4",
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"minimalistic-assert": "^1.0.1",
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"minimalistic-crypto-utils": "^1.0.1"
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"es6-error": {
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"version": "4.1.1",
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"resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.1.1.tgz",
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@ -4456,6 +4556,11 @@
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"dev": true
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"file-uri-to-path": {
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"version": "1.0.0",
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"version": "3.3.2",
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@ -4688,6 +4793,15 @@
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"safe-buffer": "^5.2.0"
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}
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},
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"hash.js": {
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"version": "1.1.7",
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"resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
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"requires": {
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"version": "5.2.2",
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@ -4712,6 +4826,16 @@
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"dev": true
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"version": "1.0.1",
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"requires": {
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"html-escaper": {
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"resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
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@ -5021,6 +5145,16 @@
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"safe-buffer": "^5.1.2"
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}
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"minimalistic-assert": {
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"version": "1.0.1",
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"version": "1.0.1",
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"version": "3.1.2",
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@ -5284,6 +5418,11 @@
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"dev": true
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"nan": {
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"version": "2.17.0",
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|
||||
"integrity": "sha512-2ZTgtl0nJsO0KQCjEpxcIr5D+Yv90plTitZt9JBfQvVJDS5seMl3FOvsh3+9CoYWXf/1l5OaZzzF6nDm4cagaQ=="
|
||||
},
|
||||
"nanoid": {
|
||||
"version": "3.3.1",
|
||||
"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
|
||||
@ -5885,11 +6024,15 @@
|
||||
"dev": true
|
||||
},
|
||||
"tiny-secp256k1": {
|
||||
"version": "2.2.1",
|
||||
"resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-2.2.1.tgz",
|
||||
"integrity": "sha512-/U4xfVqnVxJXN4YVsru0E6t5wVncu2uunB8+RVR40fYUxkKYUPS10f+ePQZgFBoE/Jbf9H1NBveupF2VmB58Ng==",
|
||||
"version": "1.1.6",
|
||||
"resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.1.6.tgz",
|
||||
"integrity": "sha512-FmqJZGduTyvsr2cF3375fqGHUovSwDi/QytexX1Se4BPuPZpTE5Ftp5fg+EFSuEf3lhZqgCRjEG3ydUQ/aNiwA==",
|
||||
"requires": {
|
||||
"uint8array-tools": "0.0.7"
|
||||
"bindings": "^1.3.0",
|
||||
"bn.js": "^4.11.8",
|
||||
"create-hmac": "^1.1.7",
|
||||
"elliptic": "^6.4.0",
|
||||
"nan": "^2.13.2"
|
||||
}
|
||||
},
|
||||
"to-fast-properties": {
|
||||
@ -6040,11 +6183,6 @@
|
||||
"integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
|
||||
"dev": true
|
||||
},
|
||||
"uint8array-tools": {
|
||||
"version": "0.0.7",
|
||||
"resolved": "https://registry.npmjs.org/uint8array-tools/-/uint8array-tools-0.0.7.tgz",
|
||||
"integrity": "sha512-vrrNZJiusLWoFWBqz5Y5KMCgP9W9hnjZHzZiZRT8oNAkq3d5Z5Oe76jAvVVSRh4U8GGR90N2X1dWtrhvx6L8UQ=="
|
||||
},
|
||||
"util-deprecate": {
|
||||
"version": "1.0.2",
|
||||
"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
|
||||
|
||||
@ -40,7 +40,7 @@
|
||||
"bs58check": "^2.1.1",
|
||||
"create-hmac": "^1.1.7",
|
||||
"ecpair": "^2.0.1",
|
||||
"tiny-secp256k1": "^2.2.1"
|
||||
"tiny-secp256k1": "^1.1.6"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/chai": "^4.3.0",
|
||||
|
||||
@ -12,7 +12,7 @@ function BIP47Factory(ecc) {
|
||||
// TODO: implement a test assertion function for ecc
|
||||
const bip32 = (0, bip32_1.default)(ecc);
|
||||
const G = Buffer.from('0279BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798', 'hex');
|
||||
const { getPublicPaymentCodeNodeFromBase58, getRootPaymentCodeNodeFromSeedHex, getRootPaymentCodeNodeFromBIP39Seed, uintArrayToBuffer, getSharedSecret, toInternalByteOrder } = (0, utils_1.default)(ecc, bip32);
|
||||
const { getPublicPaymentCodeNodeFromBase58, getRootPaymentCodeNodeFromSeedHex, getRootPaymentCodeNodeFromBIP39Seed, uintArrayToBuffer, getSharedSecret, toInternalByteOrder, } = (0, utils_1.default)(ecc, bip32);
|
||||
class BIP47 {
|
||||
constructor(network, RootPaymentCodeNode) {
|
||||
this.network = network;
|
||||
@ -105,7 +105,7 @@ function BIP47Factory(ecc) {
|
||||
const a = privateKey;
|
||||
const B = bobBIP47.getNotificationNode().publicKey;
|
||||
const S = uintArrayToBuffer(ecc.pointMultiply(B, a));
|
||||
const x = uintArrayToBuffer(ecc.xOnlyPointFromPoint(S));
|
||||
const x = uintArrayToBuffer(S.slice(1, 33));
|
||||
const o = outpoint;
|
||||
const s = crypto.hmacSHA512(o, x);
|
||||
const binaryPaymentCode = this.getBinaryPaymentCode();
|
||||
@ -144,9 +144,9 @@ function BIP47Factory(ecc) {
|
||||
const A = pubKey;
|
||||
const b = this.getNotificationNode().privateKey;
|
||||
const S = uintArrayToBuffer(ecc.pointMultiply(A, b));
|
||||
const x = uintArrayToBuffer(ecc.xOnlyPointFromPoint(S));
|
||||
const x = uintArrayToBuffer(S.slice(1, 33));
|
||||
const s = crypto.hmacSHA512(outpoint, x);
|
||||
const opReturnOutput = tx.outs.find(o => o.script.toString('hex').startsWith('6a4c50'));
|
||||
const opReturnOutput = tx.outs.find((o) => o.script.toString('hex').startsWith('6a4c50'));
|
||||
if (!opReturnOutput)
|
||||
throw new Error('No OP_RETURN output in notification');
|
||||
const binaryPaymentCode = opReturnOutput.script.slice(3);
|
||||
|
||||
@ -26,7 +26,7 @@ function getUtils(ecc, bip32) {
|
||||
return b;
|
||||
};
|
||||
const getSharedSecret = (B, a) => {
|
||||
const S = uintArrayToBuffer(ecc.xOnlyPointFromPoint(ecc.pointMultiply(B, a, true)));
|
||||
const S = uintArrayToBuffer(ecc.pointMultiply(B, a, true).slice(1, 33));
|
||||
let s = bitcoin.crypto.sha256(S);
|
||||
if (!ecc.isPrivate(s))
|
||||
throw new Error('Shared secret is not a valid private key');
|
||||
|
||||
@ -1,8 +1,8 @@
|
||||
import { BIP32Interface } from 'bip32';
|
||||
import { expect } from 'chai';
|
||||
import ECPairFactory from 'ecpair';
|
||||
import * as ecc from 'tiny-secp256k1';
|
||||
import BIP47Factory from '../ts-src';
|
||||
const ecc = require('tiny-secp256k1');
|
||||
|
||||
const ECPair = ECPairFactory(ecc);
|
||||
|
||||
@ -57,7 +57,7 @@ const privateKeysAliceToBobWallets = [
|
||||
'f103fe818377ff6040eb9aac10677384bb1ca6ff7f9d33e5a6306c3e402daec9',
|
||||
'5bd0be3fa5ae87ea97301b1e637915478efb45afcfe64133954eae93a29553a0',
|
||||
'0c4d3825253bc7a28a83097cfaf8affd9924d9a9ac921dbb9ce20a684253d349',
|
||||
'118951327db87b267c2ed385631cda9c2905078cff8e63a053dc586d624c7899'
|
||||
'118951327db87b267c2ed385631cda9c2905078cff8e63a053dc586d624c7899',
|
||||
];
|
||||
|
||||
describe('Payment codes and notification addresses', () => {
|
||||
@ -84,15 +84,17 @@ describe('Payment codes and notification addresses', () => {
|
||||
});
|
||||
|
||||
describe('Payment Addresses and Private keys', () => {
|
||||
it('should generate alice to bob payment addresses from Alice\'s node', () => {
|
||||
it("should generate alice to bob payment addresses from Alice's node", () => {
|
||||
const aliceBip47 = BIP47Factory(ecc).fromBip39Seed(alice.seedPhrase);
|
||||
const bobBip47 = BIP47Factory(ecc).fromPaymentCode(bob.paymentCode);
|
||||
const bobPaymentCodeNode: BIP32Interface = bobBip47.getPaymentCodeNode();
|
||||
|
||||
for (let i = 0; i < aliceToBobAddresses.length; i++)
|
||||
expect(aliceBip47.getPaymentAddress(bobPaymentCodeNode, i)).to.equal(aliceToBobAddresses[i]);
|
||||
expect(aliceBip47.getPaymentAddress(bobPaymentCodeNode, i)).to.equal(
|
||||
aliceToBobAddresses[i],
|
||||
);
|
||||
});
|
||||
it('Should generate alice to bob payment addresses and private keys from Bob\'s node', () => {
|
||||
it("Should generate alice to bob payment addresses and private keys from Bob's node", () => {
|
||||
const bobBip47 = BIP47Factory(ecc).fromBip39Seed(bob.seedPhrase);
|
||||
const aliceBip47 = BIP47Factory(ecc).fromPaymentCode(alice.paymentCode);
|
||||
const alicePaymentNode: BIP32Interface = aliceBip47.getPaymentCodeNode();
|
||||
@ -102,15 +104,19 @@ describe('Payment Addresses and Private keys', () => {
|
||||
alicePaymentNode,
|
||||
i,
|
||||
);
|
||||
expect(bobBip47.getAddressFromNode(wallet, bobBip47.network)).to.equal(aliceToBobAddresses[i])
|
||||
expect(bobBip47.getAddressFromNode(wallet, bobBip47.network)).to.equal(
|
||||
aliceToBobAddresses[i],
|
||||
);
|
||||
// check private key
|
||||
expect(wallet.privateKey?.toString('hex')).to.equal(privateKeysAliceToBobWallets[i]);
|
||||
expect(wallet.privateKey?.toString('hex')).to.equal(
|
||||
privateKeysAliceToBobWallets[i],
|
||||
);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
describe('Notification Transaction and blinded payment code exchange', () => {
|
||||
it('should generate Alice\'s blinded payment code for Bob', () => {
|
||||
it("should generate Alice's blinded payment code for Bob", () => {
|
||||
const aliceBip47 = BIP47Factory(ecc).fromBip39Seed(alice.seedPhrase);
|
||||
const bobBip47 = BIP47Factory(ecc).fromPaymentCode(bob.paymentCode);
|
||||
const keyPair = ECPair.fromWIF(alice.privateKeyWIF);
|
||||
@ -123,13 +129,12 @@ describe('Notification Transaction and blinded payment code exchange', () => {
|
||||
expect(blindedPaymentCode).to.equal(alice.blindedPaymentCode);
|
||||
});
|
||||
|
||||
it('Bob should be able to retrieve Alice\'s payment code, from Alice\'s notification transaction', () => {
|
||||
it("Bob should be able to retrieve Alice's payment code, from Alice's notification transaction", () => {
|
||||
const bobBip47 = BIP47Factory(ecc).fromBip39Seed(bob.seedPhrase);
|
||||
const p = bobBip47.getPaymentCodeFromRawNotificationTransaction(
|
||||
aliceToBobRawNotificationHex,
|
||||
);
|
||||
|
||||
expect(p).to.equal(alice.paymentCode);
|
||||
})
|
||||
|
||||
});
|
||||
});
|
||||
|
||||
@ -3,7 +3,13 @@ import * as bitcoin from 'bitcoinjs-lib';
|
||||
import * as crypto from './crypto';
|
||||
import { xor } from './xor';
|
||||
|
||||
import { BIP47API, BIP47Interface, NetworkCoin, PublicKeyOutpoint, TinySecp256k1Interface } from './interfaces';
|
||||
import {
|
||||
BIP47API,
|
||||
BIP47Interface,
|
||||
NetworkCoin,
|
||||
PublicKeyOutpoint,
|
||||
TinySecp256k1Interface,
|
||||
} from './interfaces';
|
||||
import { mainnetData } from './networks';
|
||||
import getUtils from './utils';
|
||||
const bs58check = require('bs58check');
|
||||
@ -23,7 +29,7 @@ export function BIP47Factory(ecc: TinySecp256k1Interface): BIP47API {
|
||||
getRootPaymentCodeNodeFromBIP39Seed,
|
||||
uintArrayToBuffer,
|
||||
getSharedSecret,
|
||||
toInternalByteOrder
|
||||
toInternalByteOrder,
|
||||
} = getUtils(ecc, bip32);
|
||||
|
||||
class BIP47 implements BIP47Interface {
|
||||
@ -35,27 +41,27 @@ export function BIP47Factory(ecc: TinySecp256k1Interface): BIP47API {
|
||||
this.RootPaymentCodeNode = RootPaymentCodeNode;
|
||||
}
|
||||
|
||||
getPaymentWallet(
|
||||
aliceNode: BIP32Interface,
|
||||
index: number,
|
||||
): BIP32Interface {
|
||||
getPaymentWallet(aliceNode: BIP32Interface, index: number): BIP32Interface {
|
||||
if (!this.network || !this.RootPaymentCodeNode)
|
||||
throw new Error('Root Payment code node or network not set');
|
||||
|
||||
const bobNode: BIP32Interface = this.RootPaymentCodeNode.derive(index);
|
||||
|
||||
if (bobNode.privateKey === undefined)
|
||||
throw new Error('Missing private key to generate payment wallets')
|
||||
throw new Error('Missing private key to generate payment wallets');
|
||||
|
||||
const firstAliceNode: BIP32Interface = aliceNode.derive(0);
|
||||
const s: Buffer = getSharedSecret(
|
||||
firstAliceNode.publicKey,
|
||||
bobNode.privateKey,
|
||||
);
|
||||
const prvKeyUint8: Uint8Array | null = ecc.privateAdd(bobNode.privateKey, s);
|
||||
const prvKeyUint8: Uint8Array | null = ecc.privateAdd(
|
||||
bobNode.privateKey,
|
||||
s,
|
||||
);
|
||||
|
||||
if (prvKeyUint8 === null)
|
||||
throw new Error('Could not calculate private key')
|
||||
throw new Error('Could not calculate private key');
|
||||
|
||||
const prvKey: Buffer = uintArrayToBuffer(prvKeyUint8);
|
||||
return bip32.fromPrivateKey(
|
||||
@ -81,26 +87,23 @@ export function BIP47Factory(ecc: TinySecp256k1Interface): BIP47API {
|
||||
bobsRootPaymentCodeNode.derive(index);
|
||||
|
||||
if (firstAlicePaymentCodeNode.privateKey === undefined)
|
||||
throw new Error('Missing private key to generate payment address')
|
||||
throw new Error('Missing private key to generate payment address');
|
||||
|
||||
const a: Buffer = firstAlicePaymentCodeNode.privateKey;
|
||||
const B: Buffer = bobPaymentCodeNode.publicKey;
|
||||
const s = getSharedSecret(B, a);
|
||||
const sGUint: Uint8Array | null = ecc.pointMultiply(G, s, true);
|
||||
|
||||
if (sGUint === null)
|
||||
throw new Error('Could not compute sG')
|
||||
if (sGUint === null) throw new Error('Could not compute sG');
|
||||
|
||||
const sG: Buffer = uintArrayToBuffer(sGUint);
|
||||
const BPrimeUint: Uint8Array | null = ecc.pointAdd(B, sG, true);
|
||||
|
||||
if (BPrimeUint === null)
|
||||
throw new Error('Could not calculate pubkey');
|
||||
if (BPrimeUint === null) throw new Error('Could not calculate pubkey');
|
||||
|
||||
const BPrime: Buffer = uintArrayToBuffer(BPrimeUint);
|
||||
|
||||
if (!ecc.isPoint(BPrime))
|
||||
throw new Error('Calculate Pubkey is invalid');
|
||||
if (!ecc.isPoint(BPrime)) throw new Error('Calculate Pubkey is invalid');
|
||||
|
||||
const node: BIP32Interface = bip32.fromPublicKey(
|
||||
BPrime,
|
||||
@ -175,7 +178,7 @@ export function BIP47Factory(ecc: TinySecp256k1Interface): BIP47API {
|
||||
const B: Buffer = bobBIP47.getNotificationNode().publicKey;
|
||||
const S: Buffer = uintArrayToBuffer(ecc.pointMultiply(B, a) as Buffer);
|
||||
|
||||
const x: Buffer = uintArrayToBuffer(ecc.xOnlyPointFromPoint(S) as Buffer);
|
||||
const x: Buffer = uintArrayToBuffer(S.slice(1, 33));
|
||||
const o: Buffer = outpoint;
|
||||
const s = crypto.hmacSHA512(o, x);
|
||||
|
||||
@ -238,14 +241,15 @@ export function BIP47Factory(ecc: TinySecp256k1Interface): BIP47API {
|
||||
const A: Buffer = pubKey;
|
||||
const b: Buffer = this.getNotificationNode().privateKey as Buffer;
|
||||
const S: Buffer = uintArrayToBuffer(ecc.pointMultiply(A, b) as Buffer);
|
||||
const x: Buffer = uintArrayToBuffer(ecc.xOnlyPointFromPoint(S));
|
||||
const x: Buffer = uintArrayToBuffer(S.slice(1, 33));
|
||||
const s = crypto.hmacSHA512(outpoint, x);
|
||||
|
||||
const opReturnOutput = tx.outs.find(o =>
|
||||
const opReturnOutput = tx.outs.find((o) =>
|
||||
o.script.toString('hex').startsWith('6a4c50'),
|
||||
);
|
||||
|
||||
if (!opReturnOutput) throw new Error('No OP_RETURN output in notification');
|
||||
if (!opReturnOutput)
|
||||
throw new Error('No OP_RETURN output in notification');
|
||||
|
||||
const binaryPaymentCode: Buffer = opReturnOutput.script.slice(3);
|
||||
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
export { BIP47Factory as default, BIP47Factory } from './bip47';
|
||||
export {
|
||||
export type {
|
||||
NetworkCoin,
|
||||
TinySecp256k1Interface,
|
||||
BIP47Interface,
|
||||
|
||||
@ -30,8 +30,6 @@ export interface TinySecp256k1Interface extends TinySecp256k1InterfaceBIP32 {
|
||||
pB: Uint8Array,
|
||||
compressed?: boolean,
|
||||
): Uint8Array | null;
|
||||
|
||||
xOnlyPointFromPoint(p: Uint8Array): Uint8Array;
|
||||
}
|
||||
|
||||
export interface BIP47Interface {
|
||||
|
||||
@ -47,13 +47,12 @@ export default function getUtils(ecc: TinySecp256k1Interface, bip32: BIP32API) {
|
||||
|
||||
const getSharedSecret = (B: Buffer, a: Buffer): Buffer => {
|
||||
const S: Buffer = uintArrayToBuffer(
|
||||
ecc.xOnlyPointFromPoint(
|
||||
ecc.pointMultiply(B, a, true) as Buffer
|
||||
))
|
||||
(ecc.pointMultiply(B, a, true) as Buffer).slice(1, 33),
|
||||
);
|
||||
|
||||
let s: Buffer = bitcoin.crypto.sha256(S);
|
||||
if (!ecc.isPrivate(s))
|
||||
throw new Error('Shared secret is not a valid private key')
|
||||
throw new Error('Shared secret is not a valid private key');
|
||||
|
||||
return s;
|
||||
};
|
||||
@ -62,7 +61,7 @@ export default function getUtils(ecc: TinySecp256k1Interface, bip32: BIP32API) {
|
||||
let start = 0;
|
||||
let length = data.length;
|
||||
|
||||
while(length - start >= 1) {
|
||||
while (length - start >= 1) {
|
||||
const tmp = data[start];
|
||||
const lastIndex = length - 1;
|
||||
data[start] = data[lastIndex];
|
||||
@ -71,8 +70,7 @@ export default function getUtils(ecc: TinySecp256k1Interface, bip32: BIP32API) {
|
||||
start++;
|
||||
}
|
||||
return data;
|
||||
|
||||
}
|
||||
};
|
||||
return {
|
||||
getPublicPaymentCodeNodeFromBase58,
|
||||
getRootPaymentCodeNodeFromSeedHex,
|
||||
|
||||
@ -5,9 +5,7 @@
|
||||
"declaration": true,
|
||||
"declarationDir": "./types",
|
||||
"esModuleInterop": false,
|
||||
"lib": [
|
||||
"es2017"
|
||||
],
|
||||
"lib": ["es2017"],
|
||||
"module": "commonjs",
|
||||
"noImplicitAny": true,
|
||||
"noImplicitThis": true,
|
||||
@ -19,16 +17,8 @@
|
||||
"strictNullChecks": true,
|
||||
"strictPropertyInitialization": true,
|
||||
"target": "es2017",
|
||||
"types": [
|
||||
"@types/mocha",
|
||||
"node"
|
||||
]
|
||||
"types": ["@types/mocha", "node"]
|
||||
},
|
||||
"include": [
|
||||
"ts-src/*.ts"
|
||||
],
|
||||
"exclude": [
|
||||
"**/*.spec.ts",
|
||||
"node_modules/**/*"
|
||||
]
|
||||
"include": ["ts-src/*.ts", "types/tiny-secp256k1.d.ts"],
|
||||
"exclude": ["**/*.spec.ts", "node_modules/**/*"]
|
||||
}
|
||||
|
||||
2
types/index.d.ts
vendored
2
types/index.d.ts
vendored
@ -1,3 +1,3 @@
|
||||
export { BIP47Factory as default, BIP47Factory } from './bip47';
|
||||
export { NetworkCoin, TinySecp256k1Interface, BIP47Interface, BIP47API, PublicKeyOutpoint, } from './interfaces';
|
||||
export type { NetworkCoin, TinySecp256k1Interface, BIP47Interface, BIP47API, PublicKeyOutpoint, } from './interfaces';
|
||||
export { testnetData, mainnetData } from './networks';
|
||||
|
||||
1
types/interfaces.d.ts
vendored
1
types/interfaces.d.ts
vendored
@ -15,7 +15,6 @@ export interface TinySecp256k1Interface extends TinySecp256k1InterfaceBIP32 {
|
||||
privateAdd(d: Uint8Array, tweak: Uint8Array): Uint8Array | null;
|
||||
pointMultiply(p: Uint8Array, tweak: Uint8Array, compressed?: boolean): Uint8Array | null;
|
||||
pointAdd(pA: Uint8Array, pB: Uint8Array, compressed?: boolean): Uint8Array | null;
|
||||
xOnlyPointFromPoint(p: Uint8Array): Uint8Array;
|
||||
}
|
||||
export interface BIP47Interface {
|
||||
network: NetworkCoin;
|
||||
|
||||
1
types/tiny-secp256k1.d.ts
vendored
Normal file
1
types/tiny-secp256k1.d.ts
vendored
Normal file
@ -0,0 +1 @@
|
||||
declare module 'tiny-secp256k1';
|
||||
Loading…
Reference in New Issue
Block a user