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WhiteflagProtocol / whiteflag-api

Reference implementation of the Whiteflag protocol in Node.js that acts as an API to connect applications with the underlying blockchains
https://api.whiteflagprotocol.org
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Accept raw blockchain transactions #16

Open ts5746 opened 4 years ago

ts5746 commented 4 years ago

Description

In addition to messages to be signed by the API, the API also accepts signed (raw) blockchain transactions containing a Whiteflag message.

Rationale

This makes it possible to send messages without the API having the private key (e.g. the application has the private key and signs the transaction). The API can still do the encoding and encryption on the /messages/encode endpoint before the encoded message is included in the transaction by the application.

Solution

Specification

Raw transactions should be sent by a POST on the /blockchains/{blockchain}/transactions/send endpoint. The request body should contain a JSON formatted raw transaction i.a.w. the specification for the specific blockchain.

Affected components

Probably the operations/blockchains.js and each blockchain-specific module in blockchains/ are affected.

Alternatives

Alternatively, do not implement this feature, requiring all messages to be signed by the API.

ts5746 commented 4 years ago

This issue triggers the discussion whether we should push the API beyond being "just" an MVP implementation for protocol evaluation which was not intended for production environments.