blockcypher-opreturn

// get op-return values with blockcypher // // notes: fork https://runkit.com/makevoid/eternity-wall-json-opreturn const http = require('axios') const c = console const DEBUG = true // enables console.log // const DEBUG = false const url_base = "api.blockcypher.com/v1/btc/main" // specify your address // const address = "12RXhCqxnXgJyfJLL2mvcqT3jCQ2o6rMAR" const endpoint = `addrs/${address}/full` const url = `https://${url_base}/${endpoint}` if (DEBUG) c.log(`URL: ${url}`) const resp = await http.get(url) if (DEBUG) c.log(resp.data) // API returns only the first message - TODO FIXME api resp.data.txs.select((tx) => { return tx.data_protocol == "unknown" }).map((tx) => { return tx }) // other OP_RETURN // http://api.coinsecrets.org/block/353197 - http://api.coinsecrets.org/block/NUMBER ( need to scan all the blocks from x to y - needs caching - background task - request limited - 1rps by api policy rules - use redis cache maybe? )