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/*
* Receives an SHA512SUM as a SBlock and if exists returns the SBlock content.
*
*/
const { spawn } = require('child_process');
const fs = require('fs');
const config = require("../../config.js");
module.exports = (req, res) => {
regex= /[a-f0-9]{128}/
if (regex.test(req.params.sblock)){
genesisreg = /0{128}/
if (!genesisreg.test(req.params.sblock)){
var path = config.minedBlocksDir+"/"+req.params.sblock;
const command = spawn("cat",[config.minedBlocksDir+"/"+req.params.sblock]);
response_string = "";
command.stdout.on("data", data => {
response_string = response_string+data;
});
command.stderr.on("data", data => {
console.log(`stderr: ${data}`);
});
command.on('error', (error) => {
console.log(`error: ${error.message}`);
response_string={err:"error.message"};
});
command.on("close", code => {
if ( code === 0 ) {
res.send(JSON.parse(fs.readFileSync(path)));
} else {
res.send({"error":"Sblock not found"})
}
console.log(`child process exited with code ${code}`);
});
} else {
res.send({sblock:"Genesis Block - Arching Kaos Net"});
}
} else {
res.send({"error":"No hash"})
}
}
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