Exemplos de eth-lib/lib/bytes slice em JavaScript

Exemplo n.º 1

Arquivo: swarm-hash.js Projeto: finalwombat/ethereumVisualiserghp

var swarmHash = function swarmHash(data) {
  if (typeof data === "string" && data.slice(0, 2) !== "0x") {
    data = Bytes.fromString(data);
  } else if (typeof data !== "string" && data.length !== undefined) {
    data = Bytes.fromUint8Array(data);
  }

  var length = Bytes.length(data);

  if (length <= 4096) {
    return swarmHashBlock(length, data);
  }

  var maxSize = 4096;
  while (maxSize * (4096 / 32) < length) {
    maxSize *= 4096 / 32;
  }

  var innerNodes = [];
  for (var i = 0; i < length; i += maxSize) {
    var size = maxSize < length - i ? maxSize : length - i;
    innerNodes.push(swarmHash(Bytes.slice(data, i, i + size)));
  }

  return swarmHashBlock(length, Bytes.flatten(innerNodes));
};

Exemplo n.º 2

Arquivo: swarm-hash.js Projeto: finalwombat/ethereumVisualiserghp

const swarmHash = data => {
  if (typeof data === "string" && data.slice(0,2) !== "0x") {
    data = Bytes.fromString(data);
  } else if (typeof data !== "string" && data.length !== undefined) {
    data = Bytes.fromUint8Array(data);
  }

  const length = Bytes.length(data);

  if (length <= 4096) {
    return swarmHashBlock(length, data);
  }

  let maxSize = 4096;
  while ((maxSize * (4096 / 32)) < length) {
    maxSize *= (4096 / 32);
  }

  let innerNodes = [];
  for (let i = 0; i < length; i += maxSize) {
    const size = (maxSize < (length - i)) ? maxSize : (length - i);
    innerNodes.push(swarmHash(Bytes.slice(data, i, i + size)));
  }

  return swarmHashBlock(length, Bytes.flatten(innerNodes));
};