utils.go 1.6 KB

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  1. // Copyright 2022 The go-ethereum Authors
  2. // This file is part of the go-ethereum library.
  3. //
  4. // The go-ethereum library is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU Lesser General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // The go-ethereum library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU Lesser General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU Lesser General Public License
  15. // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
  16. package abi
  17. import "fmt"
  18. // ResolveNameConflict returns the next available name for a given thing.
  19. // This helper can be used for lots of purposes:
  20. //
  21. // - In solidity function overloading is supported, this function can fix
  22. // the name conflicts of overloaded functions.
  23. // - In golang binding generation, the parameter(in function, event, error,
  24. // and struct definition) name will be converted to camelcase style which
  25. // may eventually lead to name conflicts.
  26. //
  27. // Name conflicts are mostly resolved by adding number suffix.
  28. // e.g. if the abi contains Methods send, send1
  29. // ResolveNameConflict would return send2 for input send.
  30. func ResolveNameConflict(rawName string, used func(string) bool) string {
  31. name := rawName
  32. ok := used(name)
  33. for idx := 0; ok; idx++ {
  34. name = fmt.Sprintf("%s%d", rawName, idx)
  35. ok = used(name)
  36. }
  37. return name
  38. }