Implement invoice generation and verification

2026-01-31 12:14:30 +01:00 · 2021-11-28 13:06:01 -06:00
parent b4532cd1bd
commit 8aefd41378
7 changed files with 344 additions and 12 deletions
--- a/functions/graphql/resolvers.js
+++ b/functions/graphql/resolvers.js
@@ -1,3 +1,34 @@
+const { parsePaymentRequest } = require('invoices');
+const axios = require('axios');
+const { createHash } = require('crypto');
+
+function hexToUint8Array (hexString) {
+  const match = hexString.match(/.{1,2}/g);
+  if (match) {
+    return new Uint8Array(match.map((byte) => parseInt(byte, 16)));
+  }
+}
+
+// TODO validate responses
+function getPaymetRequest(lightning_address, amount_in_sat) {
+  const [name, domain] = lightning_address.split("@");
+  const lnurl = `https://${domain}/.well-known/lnurlp/${name}`;
+  return axios.get(lnurl)
+    .then((response) => {
+      console.log(response.data);
+      const callbackUrl = response.data.callback;
+      const amount = amount_in_sat * 1000; // msats
+      return axios.get(callbackUrl, { params: { amount }} )
+        .then(prResponse => {
+          console.log(prResponse.data);
+          return prResponse.data.pr;
+        });
+    })
+    .catch(function (error) {
+      console.error(error);
+    })
+}
+
 module.exports = {
  Query: {
    allCategories: async (_source, args, context) => {
@@ -17,13 +48,33 @@ module.exports = {
  Mutation: {
    vote: async (_source, args, context) => {
      const project = await context.prisma.project.findUnique({where: { id: args.project_id }});
-      console.log(project)
+      const pr = await getPaymetRequest(project.lightning_address, args.amount_in_sat);
+      const invoice = parsePaymentRequest({ request: pr });
      return context.prisma.vote.create({
        data: {
          project_id: project.id,
          amount_in_sat: args.amount_in_sat,
+          payment_request: pr,
+          payment_hash: invoice.id,
        }
      });
    },
+    confirmVote: async (_source, args, context) => {
+      const paymentHash = createHash('sha256').update(hexToUint8Array(args.preimage)).digest('hex');
+      // look for a vote for the payment request and the calculated payment hash
+      const vote = await context.prisma.vote.findFirst({where: { payment_request: args.payment_request, payment_hash: paymentHash}});
+      // if we find a vote it means the preimage is correct and we update the vote and mark it as paid
+      if (vote) {
+        return context.prisma.vote.update({
+          where: { id: vote.id },
+          data: {
+            paid: true,
+            preimage: args.preimage,
+          }
+        });
+      } else {
+        throw new Error("Invalid preimage");
+      }
+    }
  },
-};
+};
--- a/functions/graphql/typeDefs.js
+++ b/functions/graphql/typeDefs.js
@@ -7,6 +7,7 @@ module.exports = gql`
    thumbnail_image: String!
    title: String!
    website: String!
+    lightning_address: String!
    votes_count: Int!
    category: Category!
  }
@@ -21,6 +22,7 @@ module.exports = gql`
    project: Project!
    amount_in_sat: Int!
    payment_request: String!
+    payment_hash: String!
    paid: Boolean!
  }

@@ -31,5 +33,6 @@ module.exports = gql`
  }
  type Mutation {
    vote (project_id: Int!, amount_in_sat: Int!): Vote!
+    confirmVote (payment_request: String!, preimage: String!): Vote!
  }
 `;
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,8 +20,10 @@
        "@types/react-dom": "^17.0.10",
        "apollo-server": "^3.5.0",
        "apollo-server-lambda": "^3.5.0",
+        "axios": "^0.24.0",
        "framer-motion": "^5.3.0",
        "graphql": "^16.0.1",
+        "invoices": "^2.0.2",
        "lodash.throttle": "^4.1.1",
        "prisma": "3.5.0",
        "react": "^17.0.2",
@@ -8863,6 +8865,14 @@
        "node": ">=4"
      }
    },
+    "node_modules/axios": {
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
+      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
+      "dependencies": {
+        "follow-redirects": "^1.14.4"
+      }
+    },
    "node_modules/axobject-query": {
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-2.2.0.tgz",
@@ -9590,6 +9600,14 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/base-x": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
    "node_modules/base/node_modules/define-property": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
@@ -9631,6 +9649,11 @@
      "integrity": "sha1-dclcMrdI4IUNEMKxaPa9vpiRrOg=",
      "dev": true
    },
+    "node_modules/bech32": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-2.0.0.tgz",
+      "integrity": "sha512-LcknSilhIGatDAsY1ak2I8VtGaHNhgMSYVxFrGLXv+xLHytaKZKcaUJJUE7qmBr7h33o5YQwP55pMI0xmkpJwg=="
+    },
    "node_modules/better-opn": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/better-opn/-/better-opn-2.1.1.tgz",
@@ -9691,6 +9714,31 @@
        "file-uri-to-path": "1.0.0"
      }
    },
+    "node_modules/bip174": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/bip174/-/bip174-2.0.1.tgz",
+      "integrity": "sha512-i3X26uKJOkDTAalYAp0Er+qGMDhrbbh2o93/xiPyAN2s25KrClSpe3VXo/7mNJoqA5qfko8rLS2l3RWZgYmjKQ==",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/bitcoinjs-lib": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/bitcoinjs-lib/-/bitcoinjs-lib-6.0.0.tgz",
+      "integrity": "sha512-KYx81rVE4LDbZcHfE375NCX4CDeZuz7HECZm/KAmqKMY2jpD3ZcUnI7Fm+QX5EMF/xmtzzfrNL/BNxo8o0iOQg==",
+      "dependencies": {
+        "bech32": "^2.0.0",
+        "bip174": "^2.0.1",
+        "bs58check": "^2.1.2",
+        "create-hash": "^1.1.0",
+        "typeforce": "^1.11.3",
+        "varuint-bitcoin": "^1.1.2",
+        "wif": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
    "node_modules/bluebird": {
      "version": "3.7.2",
      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -9742,6 +9790,22 @@
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
    },
+    "node_modules/bolt07": {
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/bolt07/-/bolt07-1.7.4.tgz",
+      "integrity": "sha512-y82Na9vEBY+rqjJhjYMFAch70nWvbL5OiEPFqNf7cGTtQfG7g/Vui2KnemrX1mxEw2SgccF+Rn1NSRm9HFtu3w==",
+      "dependencies": {
+        "bn.js": "5.2.0"
+      }
+    },
+    "node_modules/bolt09": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/bolt09/-/bolt09-0.2.0.tgz",
+      "integrity": "sha512-s6QWo7qqu6fKGLISGMSG+vFxIRzeUT3KQHDiHpvhflyI3TQD6zdaMu4fEpP7PoyMFJt2Ve26SBvvRP3MM7V0bw==",
+      "engines": {
+        "node": ">=10.4.0"
+      }
+    },
    "node_modules/bonjour": {
      "version": "3.5.0",
      "resolved": "https://registry.npmjs.org/bonjour/-/bonjour-3.5.0.tgz",
@@ -10024,6 +10088,24 @@
        "url": "https://opencollective.com/browserslist"
      }
    },
+    "node_modules/bs58": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+      "dependencies": {
+        "base-x": "^3.0.2"
+      }
+    },
+    "node_modules/bs58check": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-2.1.2.tgz",
+      "integrity": "sha512-0TS1jicxdU09dwJMNZtVAfzPi6Q6QeN0pM1Fkzrjn+XYHvzMKPU3pHVpva+769iNVSfIYWf7LJ6WR+BuuMf8cA==",
+      "dependencies": {
+        "bs58": "^4.0.0",
+        "create-hash": "^1.1.0",
+        "safe-buffer": "^5.1.2"
+      }
+    },
    "node_modules/bser": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz",
@@ -16640,6 +16722,22 @@
        "loose-envify": "^1.0.0"
      }
    },
+    "node_modules/invoices": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/invoices/-/invoices-2.0.2.tgz",
+      "integrity": "sha512-d1PX0ivZUw5u5kqIZ4bEajzTmKMe6EHXry4ZypsKT6SuvG4bTmn3sdCz867EhuMNZY2/Yj3/R1LXqCVTtsDPmA==",
+      "dependencies": {
+        "bech32": "2.0.0",
+        "bitcoinjs-lib": "6.0.0",
+        "bn.js": "5.2.0",
+        "bolt07": "1.7.4",
+        "bolt09": "0.2.0",
+        "secp256k1": "4.0.2"
+      },
+      "engines": {
+        "node": ">=10.4.0"
+      }
+    },
    "node_modules/ip": {
      "version": "1.1.5",
      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
@@ -43785,6 +43883,11 @@
        "tslib": "^2.0.3"
      }
    },
+    "node_modules/node-addon-api": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
+      "integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA=="
+    },
    "node_modules/node-dir": {
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      "resolved": "https://registry.npmjs.org/node-dir/-/node-dir-0.1.17.tgz",
@@ -43844,6 +43947,16 @@
        "node": ">= 6.0.0"
      }
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+    "node_modules/node-gyp-build": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.3.0.tgz",
+      "integrity": "sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q==",
+      "bin": {
+        "node-gyp-build": "bin.js",
+        "node-gyp-build-optional": "optional.js",
+        "node-gyp-build-test": "build-test.js"
+      }
+    },
    "node_modules/node-int64": {
      "version": "0.4.0",
      "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -48825,6 +48938,20 @@
        "url": "https://opencollective.com/webpack"
      }
    },
+    "node_modules/secp256k1": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.2.tgz",
+      "integrity": "sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "elliptic": "^6.5.2",
+        "node-addon-api": "^2.0.0",
+        "node-gyp-build": "^4.2.0"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
    "node_modules/select-hose": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -51197,6 +51324,11 @@
        "is-typedarray": "^1.0.0"
      }
    },
+    "node_modules/typeforce": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.18.0.tgz",
+      "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
+    },
    "node_modules/typescript": {
      "version": "4.4.4",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
@@ -51816,6 +51948,14 @@
        "node": ">=12"
      }
    },
+    "node_modules/varuint-bitcoin": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.2.tgz",
+      "integrity": "sha512-4EVb+w4rx+YfVM32HQX42AbbT7/1f5zwAYhIujKXKk8NQK+JfRVl3pqT3hjNn/L+RstigmGGKVwHA/P0wgITZw==",
+      "dependencies": {
+        "safe-buffer": "^5.1.1"
+      }
+    },
    "node_modules/vary": {
      "version": "1.1.2",
      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -53460,6 +53600,14 @@
        "node": ">=8"
      }
    },
+    "node_modules/wif": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/wif/-/wif-2.0.6.tgz",
+      "integrity": "sha1-CNP1IFbGZnkplyb63g1DKudLRwQ=",
+      "dependencies": {
+        "bs58check": "<3.0.0"
+      }
+    },
    "node_modules/word-wrap": {
      "version": "1.2.3",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@@ -60314,6 +60462,14 @@
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    },
+    "axios": {
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
+      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
+      "requires": {
+        "follow-redirects": "^1.14.4"
+      }
+    },
    "axobject-query": {
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-2.2.0.tgz",
@@ -60920,6 +61076,14 @@
        }
      }
    },
+    "base-x": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
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+      "requires": {
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+      }
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@@ -60936,6 +61100,11 @@
      "integrity": "sha1-dclcMrdI4IUNEMKxaPa9vpiRrOg=",
      "dev": true
    },
+    "bech32": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-2.0.0.tgz",
+      "integrity": "sha512-LcknSilhIGatDAsY1ak2I8VtGaHNhgMSYVxFrGLXv+xLHytaKZKcaUJJUE7qmBr7h33o5YQwP55pMI0xmkpJwg=="
+    },
    "better-opn": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/better-opn/-/better-opn-2.1.1.tgz",
@@ -60981,6 +61150,25 @@
        "file-uri-to-path": "1.0.0"
      }
    },
+    "bip174": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/bip174/-/bip174-2.0.1.tgz",
+      "integrity": "sha512-i3X26uKJOkDTAalYAp0Er+qGMDhrbbh2o93/xiPyAN2s25KrClSpe3VXo/7mNJoqA5qfko8rLS2l3RWZgYmjKQ=="
+    },
+    "bitcoinjs-lib": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/bitcoinjs-lib/-/bitcoinjs-lib-6.0.0.tgz",
+      "integrity": "sha512-KYx81rVE4LDbZcHfE375NCX4CDeZuz7HECZm/KAmqKMY2jpD3ZcUnI7Fm+QX5EMF/xmtzzfrNL/BNxo8o0iOQg==",
+      "requires": {
+        "bech32": "^2.0.0",
+        "bip174": "^2.0.1",
+        "bs58check": "^2.1.2",
+        "create-hash": "^1.1.0",
+        "typeforce": "^1.11.3",
+        "varuint-bitcoin": "^1.1.2",
+        "wif": "^2.0.1"
+      }
+    },
    "bluebird": {
      "version": "3.7.2",
      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -61028,6 +61216,19 @@
        }
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+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/bolt07/-/bolt07-1.7.4.tgz",
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+      "requires": {
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+      }
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+    },
    "bonjour": {
      "version": "3.5.0",
      "resolved": "https://registry.npmjs.org/bonjour/-/bonjour-3.5.0.tgz",
@@ -61257,6 +61458,24 @@
        "picocolors": "^1.0.0"
      }
    },
+    "bs58": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+      "requires": {
+        "base-x": "^3.0.2"
+      }
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+    "bs58check": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-2.1.2.tgz",
+      "integrity": "sha512-0TS1jicxdU09dwJMNZtVAfzPi6Q6QeN0pM1Fkzrjn+XYHvzMKPU3pHVpva+769iNVSfIYWf7LJ6WR+BuuMf8cA==",
+      "requires": {
+        "bs58": "^4.0.0",
+        "create-hash": "^1.1.0",
+        "safe-buffer": "^5.1.2"
+      }
+    },
    "bser": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz",
@@ -66382,6 +66601,19 @@
        "loose-envify": "^1.0.0"
      }
    },
+    "invoices": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/invoices/-/invoices-2.0.2.tgz",
+      "integrity": "sha512-d1PX0ivZUw5u5kqIZ4bEajzTmKMe6EHXry4ZypsKT6SuvG4bTmn3sdCz867EhuMNZY2/Yj3/R1LXqCVTtsDPmA==",
+      "requires": {
+        "bech32": "2.0.0",
+        "bitcoinjs-lib": "6.0.0",
+        "bn.js": "5.2.0",
+        "bolt07": "1.7.4",
+        "bolt09": "0.2.0",
+        "secp256k1": "4.0.2"
+      }
+    },
    "ip": {
      "version": "1.1.5",
      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
@@ -87276,6 +87508,11 @@
        "tslib": "^2.0.3"
      }
    },
+    "node-addon-api": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
+      "integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA=="
+    },
    "node-dir": {
      "version": "0.1.17",
      "resolved": "https://registry.npmjs.org/node-dir/-/node-dir-0.1.17.tgz",
@@ -87328,6 +87565,11 @@
      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.10.0.tgz",
      "integrity": "sha512-PPmu8eEeG9saEUvI97fm4OYxXVB6bFvyNTyiUOBichBpFG8A1Ljw3bY62+5oOjDEMHRnd0Y7HQ+x7uzxOzC6JA=="
    },
+    "node-gyp-build": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.3.0.tgz",
+      "integrity": "sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q=="
+    },
    "node-int64": {
      "version": "0.4.0",
      "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -91234,6 +91476,16 @@
        "ajv-keywords": "^3.5.2"
      }
    },
+    "secp256k1": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.2.tgz",
+      "integrity": "sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==",
+      "requires": {
+        "elliptic": "^6.5.2",
+        "node-addon-api": "^2.0.0",
+        "node-gyp-build": "^4.2.0"
+      }
+    },
    "select-hose": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -93125,6 +93377,11 @@
        "is-typedarray": "^1.0.0"
      }
    },
+    "typeforce": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.18.0.tgz",
+      "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
+    },
    "typescript": {
      "version": "4.4.4",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
@@ -93579,6 +93836,14 @@
      "resolved": "https://registry.npmjs.org/value-or-promise/-/value-or-promise-1.0.11.tgz",
      "integrity": "sha512-41BrgH+dIbCFXClcSapVs5M6GkENd3gQOJpEfPDNa71LsUGMXDL0jMWpI/Rh7WhX+Aalfz2TTS3Zt5pUsbnhLg=="
    },
+    "varuint-bitcoin": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.2.tgz",
+      "integrity": "sha512-4EVb+w4rx+YfVM32HQX42AbbT7/1f5zwAYhIujKXKk8NQK+JfRVl3pqT3hjNn/L+RstigmGGKVwHA/P0wgITZw==",
+      "requires": {
+        "safe-buffer": "^5.1.1"
+      }
+    },
    "vary": {
      "version": "1.1.2",
      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -94882,6 +95147,14 @@
        "string-width": "^4.0.0"
      }
    },
+    "wif": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/wif/-/wif-2.0.6.tgz",
+      "integrity": "sha1-CNP1IFbGZnkplyb63g1DKudLRwQ=",
+      "requires": {
+        "bs58check": "<3.0.0"
+      }
+    },
    "word-wrap": {
      "version": "1.2.3",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
--- a/package.json
+++ b/package.json
@@ -16,8 +16,10 @@
    "@types/react-dom": "^17.0.10",
    "apollo-server": "^3.5.0",
    "apollo-server-lambda": "^3.5.0",
+    "axios": "^0.24.0",
    "framer-motion": "^5.3.0",
    "graphql": "^16.0.1",
+    "invoices": "^2.0.2",
    "lodash.throttle": "^4.1.1",
    "prisma": "3.5.0",
    "react": "^17.0.2",
--- a/prisma/migrations/20211128173513_init/migration.sql
+++ b/prisma/migrations/20211128173513_init/migration.sql
@@ -16,6 +16,7 @@ CREATE TABLE "Project" (
    "cover_image" TEXT,
    "category_id" INTEGER NOT NULL,
    "votes_count" INTEGER NOT NULL DEFAULT 0,
+    "lightning_address" TEXT,

    CONSTRAINT "Project_pkey" PRIMARY KEY ("id")
 );
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -14,16 +14,17 @@ model Category {
 }

 model Project {
-  id              Int      @id @default(autoincrement())
-  title           String
-  description     String
-  website         String
-  thumbnail_image String?
-  cover_image     String?
-  category        Category @relation(fields: [category_id], references: [id])
-  category_id     Int
-  votes_count     Int      @default(0)
-  Vote            Vote[]
+  id                Int      @id @default(autoincrement())
+  title             String
+  description       String
+  website           String
+  thumbnail_image   String?
+  cover_image       String?
+  lightning_address String?
+  category          Category @relation(fields: [category_id], references: [id])
+  category_id       Int
+  votes_count       Int      @default(0)
+  Vote              Vote[]
 }

 model Vote {
--- a/prisma/seed.js
+++ b/prisma/seed.js
@@ -14,6 +14,7 @@ async function main() {
      description: "HQ on a VULCANO lake",
      website: "https://github.com/peakshift",
      category_id: category.id,
+      lightning_address: "johns@getalby.com",
    }
  });
 }