Committed MVP demo code

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
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+# dotenv environment variables file
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+.env.test
+.env.production
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+.parcel-cache
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+out
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+.pnp.*

.prettierignore

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+build
+coverage

.prettierrc.json

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+{
+    "trailingComma": "es5",
+    "tabWidth": 4,
+    "semi": false,
+    "singleQuote": true
+}

LICENCE.md

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+# The Unlicense
+
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>

index.js

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+const {
+    CredentialIssuer,
+    Connector,
+    TrackBackAgent,
+    CredentialVerifier,
+} = require('@trackback/agent')
+
+async function demo() {
+    const connector = new Connector()
+    const agent = new TrackBackAgent(connector)
+
+    const account = await connector.getDefaultAccount()
+
+    const context = {
+        agent,
+        account: account,
+    }
+
+    const issuer = await CredentialIssuer.build()
+    console.log(issuer)
+
+    const metada = { 'content-type': 'application/json' }
+    const resMetada = { 'content-type': 'application/json' }
+
+    const result = await issuer.save(context, metada, resMetada)
+    console.log(result)
+
+    const credential = {
+        '@context': ['https://www.w3.org/2018/credentials/v1'],
+        type: ['VerifiableCredential'],
+        issuanceDate: '2010-01-01T19:23:24Z',
+        credentialSubject: { name: 'Test', surname: 'Test Test' },
+        issuer: issuer.id,
+    }
+
+    console.log(credential)
+    const jwt = await issuer.createVerifiableCredentials(credential)
+
+    console.log(jwt)
+    // Issuer creates a verifiable credential presentation
+    const jwtPresentation = await issuer.createVerifiablePresentation(
+        [jwt],
+        issuer.keypair
+    )
+
+    console.log(jwtPresentation)
+
+    const accountB = await connector.getDefaultAccount('Bob')
+    const contextB = {
+        agent,
+        account: accountB,
+    }
+    const verifier = new CredentialVerifier()
+    console.log(verifier)
+    const r = await verifier.verifyPresentation(jwtPresentation, contextB)
+    console.log(r)
+}
+
+demo()