feat: add wechat pay

backend/go.sum

@@ -83,6 +83,20 @@ github.com/go-openapi/spec v0.20.4/go.mod h1:faYFR1CvsJZ0mNsmsphTMSoRrNV3TEDoAM7
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
+github.com/go-pay/crypto v0.0.1 h1:B6InT8CLfSLc6nGRVx9VMJRBBazFMjr293+jl0lLXUY=
+github.com/go-pay/crypto v0.0.1/go.mod h1:41oEIvHMKbNcYlWUlRWtsnC6+ASgh7u29z0gJXe5bes=
+github.com/go-pay/errgroup v0.0.3 h1:DB4s8e8oWYDyETKQ1y1riMJ7y29zE1uIsMCSjEOFSbU=
+github.com/go-pay/errgroup v0.0.3/go.mod h1:0+4b8mvFMS71MIzsaC+gVvB4x37I93lRb2dqrwuU8x8=
+github.com/go-pay/gopay v1.5.107 h1:BZauJyTijvvb2AIMJN0SqOWwjPzssmYkTsjn0NME4P4=
+github.com/go-pay/gopay v1.5.107/go.mod h1:Kwv8YPKh9StrJAYMDgnoTkCrPW7f9/O+XgWWlCLvOKc=
+github.com/go-pay/smap v0.0.2 h1:kKflYor5T5FgZltPFBMTFfjJvqYMHr5VnIFSEyhVTcA=
+github.com/go-pay/smap v0.0.2/go.mod h1:HW9oAo0okuyDYsbpbj5fJFxnNj/BZorRGFw26SxrNWw=
+github.com/go-pay/util v0.0.4 h1:TuwSU9o3Qd7m9v1PbzFuIA/8uO9FJnA6P7neG/NwPyk=
+github.com/go-pay/util v0.0.4/go.mod h1:Tsdhs8Ib9J9b4+NKNO1PHh5hWHhlg98PthsX0ckq6PM=
+github.com/go-pay/xlog v0.0.3 h1:avyMhCL/JgBHreoGx/am/kHxfs1udDOAeVqbmzP/Yes=
+github.com/go-pay/xlog v0.0.3/go.mod h1:mH47xbobrdsSHWsmFtSF5agWbMHFP+tK0ZbVCk5OAEw=
+github.com/go-pay/xtime v0.0.2 h1:7YR4/iuELsEHpJ6LUO0SVK80hQxDO9MLCfuVYIiTCRM=
+github.com/go-pay/xtime v0.0.2/go.mod h1:W1yRbJaSt4CSBcdAtLBQ8xajiN/Pl5hquGczUcUE9xE=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=