Move contracts to repository root

.gitignore

@@ -1,4 +1,4 @@
-circuits/build
+build
 
 # Created by .ignore support plugin (hsz.mobi)
 ### Node template

README.md

@@ -0,0 +1,11 @@
+## Testing
+1. `npm i`
+2. `npx truffle compile`
+3. `npx truffle test` - it may fail for the first time, just run one more time.
+
+Short version:
+
+We have a merkle tree of deposit commitments `Pedersen(secret + nullifier)`, merkle tree uses MiMC
+On withdrawal a SNARK proof verifies merkle proof and leaf preimage, .....
+
+

contracts/.gitignore

@@ -1 +0,0 @@
-build

contracts/README.md

@@ -1,4 +0,0 @@
-## Testing
-1. `npm i`
-2. `npx truffle compile`
-3. `npx truffle test` - it may fail for the first time, just run one more time.

contracts/package.json

@@ -1,25 +0,0 @@
-{
-  "name": "contracts",
-  "version": "1.0.0",
-  "description": "",
-  "main": "truffle-config.js",
-  "directories": {
-    "test": "test"
-  },
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "keywords": [],
-  "author": "",
-  "license": "ISC",
-  "dependencies": {
-    "bn-chai": "^1.0.1",
-    "chai": "^4.2.0",
-    "chai-as-promised": "^7.1.1",
-    "circomlib": "git+https://github.com/kobigurk/circomlib.git#323966c0584bafebf9652681c44d9ea348fe9bb5",
-    "ganache-cli": "^6.4.5",
-    "truffle": "^5.0.20",
-    "truffle-artifactor": "^4.0.22",
-    "web3-utils": "^1.0.0-beta.55"
-  }
-}

package-lock.json

@@ -117,6 +117,11 @@
         "normalize-path": "^2.1.1"
       }
     },
+    "app-module-path": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/app-module-path/-/app-module-path-2.2.0.tgz",
+      "integrity": "sha1-ZBqlXft9am8KgUHEucCqULbCTdU="
+    },
     "append-buffer": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/append-buffer/-/append-buffer-1.0.2.tgz",
@@ -383,22 +388,10 @@
         "nan": "^2.2.1"
       }
     },
-    "blake2b": {
+    "bn-chai": {
-      "version": "2.1.3",
+      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/blake2b/-/blake2b-2.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/bn-chai/-/bn-chai-1.0.1.tgz",
-      "integrity": "sha512-pkDss4xFVbMb4270aCyGD3qLv92314Et+FsKzilCLxDz5DuZ2/1g3w4nmBbu6nKApPspnjG7JcwTjGZnduB1yg==",
+      "integrity": "sha512-7rJXt21DwYiLLpvzLaACixBBoUGkRV1iuFD3wElEhw8Ji9IiY/QsJRtvW+c7ChRgEOyLQkGaSGFUUqBKm21SNA=="
-      "requires": {
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-        "nanoassert": "^1.0.0"
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-    "blake2b-wasm": {
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-      "resolved": "https://registry.npmjs.org/blake2b-wasm/-/blake2b-wasm-1.1.7.tgz",
-      "integrity": "sha512-oFIHvXhlz/DUgF0kq5B1CqxIDjIJwh9iDeUUGQUcvgiGz7Wdw03McEO7CfLBy7QKGdsydcMCgO9jFNBAFCtFcA==",
-      "requires": {
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@@ -446,6 +439,11 @@
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       "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
     },
+    "browser-stdout": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw=="
+    },
     "browserify-aes": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
@@ -539,6 +537,14 @@
         "type-detect": "^4.0.5"
       }
     },
+    "chai-as-promised": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/chai-as-promised/-/chai-as-promised-7.1.1.tgz",
+      "integrity": "sha512-azL6xMoi+uxu6z4rhWQ1jbdUhOMhis2PvscD/xjLqNMkv3BPPp2JyyuTHOrf9BOosGpNQ11v6BKv/g57RXbiaA==",
+      "requires": {
+        "check-error": "^1.0.2"
+      }
+    },
     "chalk": {
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       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -605,15 +611,13 @@
       }
     },
     "circomlib": {
-      "version": "0.0.10",
+      "version": "git+https://github.com/kobigurk/circomlib.git#323966c0584bafebf9652681c44d9ea348fe9bb5",
-      "resolved": "https://registry.npmjs.org/circomlib/-/circomlib-0.0.10.tgz",
+      "from": "git+https://github.com/kobigurk/circomlib.git#323966c0584bafebf9652681c44d9ea348fe9bb5",
-      "integrity": "sha512-+/gEnk3I1zuU7Nbm/gig+Yc87p2R+t9agDWnOVrg+warKLOFLgtbH6OuefbAtqGwHf8qq0pEmeaJfvaf53lKxQ==",
       "requires": {
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-        "blake2b": "^2.1.3",
         "snarkjs": "0.1.11",
         "typedarray-to-buffer": "^3.1.5",
-        "web3": "^1.0.0-beta.55"
+        "web3": "^1.0.0-beta.36"
       },
       "dependencies": {
         "snarkjs": {
@@ -741,6 +745,11 @@
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     },
+    "commander": {
+      "version": "2.15.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag=="
+    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
@@ -838,6 +847,11 @@
         "which": "^1.2.9"
       }
     },
+    "crypto-js": {
+      "version": "3.1.9-1",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.9-1.tgz",
+      "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg="
+    },
     "d": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
@@ -965,6 +979,11 @@
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc="
     },
+    "diff": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA=="
+    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -1262,9 +1281,9 @@
       }
     },
     "ethers": {
-      "version": "4.0.32",
+      "version": "4.0.33",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.32.tgz",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.33.tgz",
-      "integrity": "sha512-r0k2tBNF6MYEsvwmINeP3VPppD/7eAZyiOk/ifDDawXGCKqr3iEQkPq6OZSDVD+4Jie38WPteS9thXzpn2+A5Q==",
+      "integrity": "sha512-lAHkSPzBe0Vj+JrhmkEHLtUEKEheVktIjGDyE9gbzF4zf1vibjYgB57LraDHu4/ItqWVkztgsm8GWqcDMN+6vQ==",
       "requires": {
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         "aes-js": "3.0.0",
@@ -1656,6 +1675,16 @@
         "map-cache": "^0.2.2"
       }
     },
+    "fs-extra": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.1.tgz",
+      "integrity": "sha512-GnyIkKhhzXZUWFCaJzvyDLEEgDkPfb4/TPvJCJVuS8MWZgoSsErf++QpiAlDnKFcqhRlm+tIOcencCjyJE6ZCA==",
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      }
+    },
     "fs-mkdirp-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz",
@@ -2161,6 +2190,331 @@
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       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc="
     },
+    "ganache-cli": {
+      "version": "6.4.5",
+      "resolved": "https://registry.npmjs.org/ganache-cli/-/ganache-cli-6.4.5.tgz",
+      "integrity": "sha512-YHCE6AglvFShkPbU8iyxHqLxnSC3QdApIEgbuKUBiOPMLwNlINDOOsC8PFkX3oYZwRkuhexwv8olYZTvGoglrQ==",
+      "requires": {
+        "bn.js": "4.11.8",
+        "source-map-support": "0.5.9",
+        "yargs": "11.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "bundled": true
+        },
+        "bn.js": {
+          "version": "4.11.8",
+          "bundled": true
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+        "buffer-from": {
+          "version": "1.1.1",
+          "bundled": true
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+        "camelcase": {
+          "version": "4.1.0",
+          "bundled": true
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+        "cliui": {
+          "version": "4.1.0",
+          "bundled": true,
+          "requires": {
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0",
+            "wrap-ansi": "^2.0.0"
+          }
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+        "code-point-at": {
+          "version": "1.1.0",
+          "bundled": true
+        },
+        "cross-spawn": {
+          "version": "5.1.0",
+          "bundled": true,
+          "requires": {
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+            "shebang-command": "^1.2.0",
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+          }
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+        "execa": {
+          "version": "0.7.0",
+          "bundled": true,
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+            "get-stream": "^3.0.0",
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+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
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+            "get-caller-file": "^1.0.1",
+            "os-locale": "^2.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1",
+            "yargs-parser": "^9.0.2"
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+    "growl": {
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@@ -2511,6 +2870,11 @@
         "minimalistic-assert": "^1.0.1"
       }
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       "integrity": "sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE="
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+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
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@@ -3180,6 +3552,60 @@
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+    "mocha": {
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+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
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+          "requires": {
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       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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-    "nanoassert": {
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-      "resolved": "https://registry.npmjs.org/nanoassert/-/nanoassert-1.1.0.tgz",
-      "integrity": "sha1-TzFS4JVA/eKMdvRLGbvNHVpCR40="
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@@ -3448,6 +3869,11 @@
         "readable-stream": "^2.0.1"
       }
     },
+    "original-require": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/original-require/-/original-require-1.0.1.tgz",
+      "integrity": "sha1-DxMEcVhM0zURxew4yNWSE/msXiA="
+    },
     "os-locale": {
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       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
@@ -4323,9 +4749,9 @@
       }
     },
     "spdx-license-ids": {
-      "version": "3.0.4",
+      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
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+      "integrity": "sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q=="
     },
     "split-string": {
       "version": "3.1.0",
@@ -4601,6 +5027,36 @@
         "through2": "^2.0.3"
       }
     },
+    "truffle": {
+      "version": "5.0.27",
+      "resolved": "https://registry.npmjs.org/truffle/-/truffle-5.0.27.tgz",
+      "integrity": "sha512-MN02w3TNOwVaEvvCD535pov7D/59p92yzQ/Os4hR2kiSGy1s+9V6RYtmOPucY8G/1wx8RnvOAgcIzcqHrO6tvQ==",
+      "requires": {
+        "app-module-path": "^2.2.0",
+        "mocha": "5.2.0",
+        "original-require": "1.0.1"
+      }
+    },
+    "truffle-artifactor": {
+      "version": "4.0.23",
+      "resolved": "https://registry.npmjs.org/truffle-artifactor/-/truffle-artifactor-4.0.23.tgz",
+      "integrity": "sha512-7+5GNOMRJyKr99Fa9P3ULWn6uSrPpu5lQQPqDsQDTWuCGuImhjtbjGbc/3JWFL3k/Za76cWaMUJ764Rm07gEnQ==",
+      "requires": {
+        "fs-extra": "6.0.1",
+        "lodash": "4.17.11",
+        "truffle-contract-schema": "^3.0.11"
+      }
+    },
+    "truffle-contract-schema": {
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/truffle-contract-schema/-/truffle-contract-schema-3.0.11.tgz",
+      "integrity": "sha512-YcgSOlrufi6VtnXg8LU5Ma7JHzHpnZQxzB1PSWnb+JOTc1nL02XRoCWTgEO7PkJnFgf6yrwOpW0ajSwHk3zQ7Q==",
+      "requires": {
+        "ajv": "^6.10.0",
+        "crypto-js": "^3.1.9-1",
+        "debug": "^4.1.0"
+      }
+    },
     "tslib": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
@@ -4683,6 +5139,11 @@
         "through2-filter": "^3.0.0"
       }
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
+    },
     "unset-value": {
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       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",

package.json

@@ -11,8 +11,15 @@
   "license": "ISC",
   "dependencies": {
     "circom": "0.0.30",
-    "circomlib": "0.0.10",
     "snarkjs": "^0.1.14",
-    "websnark": "0.0.4"
+    "websnark": "0.0.4",
+    "bn-chai": "^1.0.1",
+    "chai": "^4.2.0",
+    "chai-as-promised": "^7.1.1",
+    "circomlib": "git+https://github.com/kobigurk/circomlib.git#323966c0584bafebf9652681c44d9ea348fe9bb5",
+    "ganache-cli": "^6.4.5",
+    "truffle": "^5.0.20",
+    "truffle-artifactor": "^4.0.22",
+    "web3-utils": "^1.0.0-beta.55"
   }
 }