Added export/import function for contributors

.gitignore

@@ -5,6 +5,8 @@ node_modules
 yarn-error.log
 .DS_Store
 
+data
+
 cache
 artifacts
 .openzeppelin

scripts/export/contributions.js

@@ -0,0 +1,45 @@
+const Kredits = require('../../lib/kredits');
+
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
+
+  console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);
+
+  const count = await kredits.Contribution.count;
+  const currentBlockHeight = await XMLHttpRequest.ethers.provider.getBlockNumber();
+
+  const backup = {};
+  const promises = [];
+  for (let i = 1; i <= count; i++) {
+    promises.push(new Promise((resolve, reject) => {
+      setTimeout(async () => {
+        console.log(`Loading contribution ${i}`);
+        await kredits.Contribution.contract.getContribution(i).then(contractData => {
+          if (contractData.vetoed) {
+            console.log(`Ignoring vetoed contribution #${contractData.id}`);
+            return;
+          }
+          backup[i] = {
+            amount: contractData.amount,
+            contributorId: contractData.contributorId,
+            hashDigest: contractData.hashDigest,
+            hashFunction: contractData.hashFunction,
+            hashSize: contractData.hashSize,
+            confirmedAtBlock: contractData.confirmedAtBlock,
+            confirmed: contractData.confirmedAtBlock <= currentBlockHeight,
+            id: contractData.id,
+          }
+          resolve();
+        });
+      }, 100 * i);
+    }));
+  }
+
+  await Promise.all(promises).then(() => {
+    fs.writeFileSync("./data/contributions.json", JSON.stringify(backup, null, 2));
+    console.log("Exported");
+  });
+}
+
+main();

scripts/export/contributors.js

@@ -0,0 +1,38 @@
+const fs = require('fs');
+const Kredits = require('../../lib/kredits');
+
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
+
+  console.log(`Using Contributor at: ${kredits.Contributor.contract.address}`);
+
+  const count = await kredits.Contributor.count;
+
+  const backup = {};
+  const promises = [];
+  for (let i = 1; i <= count; i++) {
+    promises.push(new Promise((resolve, reject) => {
+      setTimeout(async () => {
+        console.log(`Loading contributor ${i}`);
+        await kredits.Contributor.contract.getContributorById(i).then(contractData => {
+          backup[i] = {
+            account: contractData.account,
+            hashDigest: contractData.hashDigest,
+            hashFunction: contractData.hashFunction,
+            hashSize: contractData.hashSize,
+            id: contractData.id,
+          }
+          resolve();
+        });
+      }, 100 * i);
+    }));
+  }
+
+  await Promise.all(promises).then(() => {
+    fs.writeFileSync("./data/contributors.json", JSON.stringify(backup, null, 2));
+    console.log("Exported");
+  });
+}
+
+main();

scripts/import/contributors.js

@@ -0,0 +1,26 @@
+const Kredits = require('../../lib/kredits');
+
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
+
+  console.log(`Using Contributor at: ${kredits.Contributor.contract.address}`);
+
+  const data = fs.readFileSync("./data/contributors.json");
+  const contributors = JSON.parse(data);
+
+  const ids = Object.keys(contributors).map(k => parseInt(k)).sort();
+  for (const contributorId of ids) {
+    const contributor = contributors[contributorId.toString()];
+    const result = kredits.Contributor.contract.addContributor({
+      account: contributor.account,
+      hashDigest: contirbutor.hashDigest,
+      hashFunction: contributor.hashFunction,
+      hashSize: contributr.hashSize,
+    });
+    // await result.wait();
+    console.log(`Added contributor #${id}: ${result.hash}`);
+  };
+}
+
+main();