allow use of custom derivation path, and add way to increment derivation for existing #56
Merged
anomalist
merged 1 commits from increment-derived into master 1 year ago
8 changed files with 244 additions and 13 deletions
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<template> |
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<section id="Content" class="p-6 pb-24"> |
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<!-- Breadcrumb --> |
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<div id="ViewBreadcrumb" class="mb-8"> |
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<h1 class="text-lg text-center font-light relative px-7"> |
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<!-- Cancel --> |
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<button |
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@click="$router.go(-1)" |
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class="text-lg text-center px-2 py-1 absolute -left-2 -top-1" |
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> |
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<fa icon="chevron-left"></fa> |
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</button> |
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Derive from Existing Identity |
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</h1> |
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</div> |
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<!-- Import Account Form --> |
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|
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<div> |
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<p class="text-center text-xl mb-4 font-light"> |
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Will increment the maximum derivation path from the existing seed. |
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</p> |
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|
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<p v-if="didArrays.length > 1"> |
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Choose existing DIDs from same seed phrase to compute derivation. |
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</p> |
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<ul class="mb-4"> |
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<li |
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class="block bg-slate-100 rounded-md flex items-center px-4 py-3 mb-2" |
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v-for="dids in didArrays" |
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:key="dids[0]" |
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@click="switchAccount(dids[0])" |
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> |
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<fa |
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v-if="dids[0] == selectedArrayFirstDid" |
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icon="circle" |
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class="fa-fw text-blue-400 text-xl mr-3" |
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></fa> |
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<fa |
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v-else |
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icon="circle" |
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class="fa-fw text-slate-400 text-xl mr-3" |
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></fa> |
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<span class="overflow-hidden"> |
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<div class="text-sm text-slate-500 truncate"> |
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<code>{{ dids.join(",") }}</code> |
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</div> |
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</span> |
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</li> |
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</ul> |
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</div> |
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<div class="mt-8"> |
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<button |
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@click="incrementDerivation()" |
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class="block w-full text-center text-lg font-bold uppercase bg-blue-600 text-white px-2 py-3 rounded-md mb-2" |
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> |
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Increment and Import |
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</button> |
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<button |
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@click="onCancelClick()" |
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type="button" |
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class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md" |
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> |
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Cancel |
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</button> |
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</div> |
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</section> |
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</template> |
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|
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<script lang="ts"> |
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import { Component, Vue } from "vue-facing-decorator"; |
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import { |
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DEFAULT_ROOT_DERIVATION_PATH, |
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deriveAddress, |
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newIdentifier, |
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} from "../libs/crypto"; |
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import { accountsDB, db } from "@/db"; |
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import { MASTER_SETTINGS_KEY } from "@/db/tables/settings"; |
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|
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@Component({ |
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components: {}, |
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}) |
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export default class ImportAccountView extends Vue { |
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derivationPath = DEFAULT_ROOT_DERIVATION_PATH; |
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didArrays: Array<Array<string>> = []; |
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selectedArrayFirstDid = ""; |
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|
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async mounted() { |
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await accountsDB.open(); |
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const accounts = await accountsDB.accounts.toArray(); |
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const seedDids = {}; |
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accounts.forEach((account) => { |
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const prevDids = seedDids[account.mnemonic] || []; |
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seedDids[account.mnemonic] = prevDids.concat([account.did]); |
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}); |
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this.didArrays = Object.values(seedDids); |
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this.selectedArrayFirstDid = this.didArrays[0][0]; |
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} |
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|
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public onCancelClick() { |
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this.$router.back(); |
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} |
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|
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public switchAccount(did: string) { |
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this.selectedArrayFirstDid = did; |
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} |
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|
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public async incrementDerivation() { |
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await accountsDB.open(); |
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// find the maximum derivation path for the selected DIDs |
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const selectedArray: Array<string> = this.didArrays.find( |
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(dids) => dids[0] === this.selectedArrayFirstDid, |
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); |
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const allMatchingAccounts = await accountsDB.accounts |
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.where("did") |
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.anyOf(...selectedArray) |
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.toArray(); |
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const accountWithMaxDeriv = allMatchingAccounts[0]; |
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allMatchingAccounts.slice(1).forEach((account) => { |
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if (account.derivationPath > accountWithMaxDeriv.derivationPath) { |
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accountWithMaxDeriv.derivationPath = account.derivationPath; |
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} |
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}); |
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// increment the last number in that max derivation path |
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let lastStr = accountWithMaxDeriv.derivationPath.split("/").slice(-1)[0]; |
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if (lastStr.endsWith("'")) { |
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lastStr = lastStr.slice(0, -1); |
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} |
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const lastNum = parseInt(lastStr, 10); |
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const newLastNum = lastNum + 1; |
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const newDerivPath = accountWithMaxDeriv.derivationPath |
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.split("/") |
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.slice(0, -1) |
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.concat([newLastNum.toString() + "'"]) |
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.join("/"); |
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|
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const mne: string = accountWithMaxDeriv.mnemonic; |
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const [address, privateHex, publicHex] = deriveAddress(mne, newDerivPath); |
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const newId = newIdentifier(address, publicHex, privateHex, newDerivPath); |
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try { |
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await accountsDB.accounts.add({ |
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dateCreated: new Date().toISOString(), |
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derivationPath: newDerivPath, |
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did: newId.did, |
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identity: JSON.stringify(newId), |
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mnemonic: mne, |
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publicKeyHex: newId.keys[0].publicKeyHex, |
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}); |
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// record that as the active DID |
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await db.open(); |
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db.settings.update(MASTER_SETTINGS_KEY, { |
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activeDid: newId.did, |
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}); |
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this.$router.push({ name: "account" }); |
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} catch (err) { |
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console.error("Error saving mnemonic & updating settings:", err); |
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} |
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} |
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} |
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</script> |
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