src/js/cosmos-util.js

   1 function CosmosBufferToPublic(pubBuf) {
   2   const Buffer = libs.buffer.Buffer;
   3   const AminoSecp256k1PubkeyPrefix = Buffer.from("EB5AE987", "hex");
   4   const AminoSecp256k1PubkeyLength = Buffer.from("21", "hex");
   5   pubBuf = Buffer.concat([AminoSecp256k1PubkeyPrefix, AminoSecp256k1PubkeyLength, pubBuf]);
   6   return libs.bech32.encode("cosmospub", libs.bech32.toWords(pubBuf));
   7 }
   8
   9 function CosmosBufferToAddress(pubBuf) {
  10   const sha256_ed = libs.createHash("sha256").update(pubBuf).digest();
  11   const ripemd160_ed = libs.createHash("rmd160").update(sha256_ed).digest();
  12   return libs.bech32.encode("cosmos", libs.bech32.toWords(ripemd160_ed));
  13 }