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https://github.com/EvernodeXRPL/hpcore.git
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5f40aebf08
* Implemented feeding and broadcasting npl messages from the contract execution in real-time. * Replaced npl pipe with domain sockets. * Refactored npl read and write in nodejs echo contract
53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
const { HotPocketContract } = require("./hp-contract-lib");
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const fs = require('fs');
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const hpc = new HotPocketContract();
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//console.log("===Echo contract started===");
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// We just save execution timestamp as an example state file change.
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if (!hpc.readonly)
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fs.appendFileSync("exects.txt", "ts:" + hpc.timestamp + "\n");
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Object.keys(hpc.users).forEach(async (key) => {
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const user = hpc.users[key];
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const inputBuf = await user.readInput();
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if (inputBuf) {
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const userInput = inputBuf.toString("utf8");
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if (userInput == "ts")
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user.sendOutput(fs.readFileSync("exects.txt"));
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else
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user.sendOutput("Echoing: " + userInput);
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}
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});
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const npl = hpc.npl;
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// Npl channel always connected if contract is not in readonly mode.
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// Smart contract developer has to mannually close the channel once the execution logic is complete.
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if (npl) {
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npl.closeNplChannel();
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}
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// Npl message sending and receiving template.
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// if (npl) {
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// let i = 0;
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// let interval = setInterval(() => {
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// npl.sendOutput(`npl${i} from contract`);
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// if (i == 5) {
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// clearInterval(interval);
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// npl.closeNplChannel();
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// }
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// i++;
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// }, 500);
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// npl.events.on("message", msg => {
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// if (msg) {
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// console.log(msg);
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// }
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// });
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// }
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//console.log("===Echo contract ended===");
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