module Contracthashtool::EC_ADD
lifted from github.com/GemHQ/money-tree
Constants
- NID_secp256k1
- POINT_CONVERSION_COMPRESSED
- POINT_CONVERSION_UNCOMPRESSED
Public Class Methods
add(point_0, point_1)
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# File lib/contracthashtool.rb, line 87 def self.add(point_0, point_1) eckey = EC_KEY_new_by_curve_name(NID_secp256k1) group = EC_KEY_get0_group(eckey) point_0_hex = point_0.to_bn.to_s(16) point_0_pt = EC_POINT_hex2point(group, point_0_hex, nil, nil) point_1_hex = point_1.to_bn.to_s(16) point_1_pt = EC_POINT_hex2point(group, point_1_hex, nil, nil) sum_point = EC_POINT_new(group) success = EC_POINT_add(group, sum_point, point_0_pt, point_1_pt, nil) hex = EC_POINT_point2hex(group, sum_point, POINT_CONVERSION_UNCOMPRESSED, nil) EC_KEY_free(eckey) EC_POINT_free(sum_point) hex end