Anonymous user
Bitcoin/public point to address: Difference between revisions
Add Nim version
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=={{header|Nim}}==
{{libheader|base58|0.1.1}}
{{libheader|nimcrypto|0.3.8}}
{{works with|Nim Compiler|0.19.4}}
These libraries can be found on <code>nimble</code>.
<lang nim>import parseutils
import base58 / bitcoin
import nimcrypto / [hash, sha2, ripemd]
func hexToByteSeq(s: string): seq[byte] =
var pos = 0
while pos < s.len:
var tmp = 0
let parsed = parseHex(s, tmp, pos, 2)
if parsed > 0:
inc pos, parsed
result.add byte tmp
else:
raise newException(ValueError, "Invalid hex string")
func addrEncode(x, y: string): string =
let pubPoint = 4u8 & x.hexToByteSeq & y.hexToByteSeq
if pubPoint.len != 65:
raise newException(ValueError, "Invalid pubpoint string")
var rmd = @(ripemd160.digest(sha256.digest(pubPoint).data).data)
rmd.insert 0u8
rmd.add sha256.digest(sha256.digest(rmd).data).data[0..3]
result = encode cast[string](rmd)
when isMainModule:
echo addrEncode("50863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A04887E5B2352",
"2CD470243453A299FA9E77237716103ABC11A1DF38855ED6F2EE187E9C582BA6")</lang>
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=={{header|Perl}}==
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