How to use @truffle/decoder - 4 common examples
To help you get started, we’ve selected a few @truffle/decoder examples, based on popular ways it is used in public projects.
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trufflesuite / drizzle-utils / packages / contract-state-stream / index.js View on Github 
const createContractState$ = options => {
const { newBlock$, artifact, provider } = options;
if (!newBlock$)
throw new Error("The options object with newBlock$ is required");
if (!artifact)
throw new Error("The options object with artifact is required");
if (!provider)
throw new Error("The options object with provider is required");
// Setting up decoder instance
// TODO - support contract inheritance (the 2nd arg)
const decoder = TruffleDecoder.forContract(artifact, [], provider);
decoder.init();
// for each new block, we decode the state
const observable = newBlock$.pipe(
map(block => block.number),
distinctUntilChanged(),
concatMap(() => from(decoder.state())),
);
return observable;
};@truffle/decoder
A decoder for Solidity variables of all sorts
