From de9f76b232297d3bf67671313f5fa9fbc12a751f Mon Sep 17 00:00:00 2001
From: CJ42 <cavallerajean@gmail.com>
Date: Wed, 3 Apr 2024 18:27:24 +0100
Subject: [PATCH] build: add constants for old LSP7/8 interface IDs

---
 packages/lsp-smart-contracts/constants.ts | 5 +++++
 packages/lsp7-contracts/constants.ts      | 2 ++
 packages/lsp8-contracts/constants.ts      | 2 ++
 3 files changed, 9 insertions(+)

diff --git a/packages/lsp-smart-contracts/constants.ts b/packages/lsp-smart-contracts/constants.ts
index fbdcf0c01..53c7b08aa 100644
--- a/packages/lsp-smart-contracts/constants.ts
+++ b/packages/lsp-smart-contracts/constants.ts
@@ -28,6 +28,11 @@ export { LSP8_TOKEN_ID_FORMAT } from '@lukso/lsp8-contracts';
 export { LSP20_SUCCESS_VALUES } from '@lukso/lsp20-contracts';
 export { LSP25_VERSION } from '@lukso/lsp25-contracts';
 
+// Old interface Ids of previous releases of LSP7/8 Tokens
+// for backward compatibilities for dApps and interfaces
+export { INTERFACE_ID_LSP7_PREVIOUS } from '@lukso/lsp7-contracts';
+export { INTERFACE_ID_LSP8_PREVIOUS } from '@lukso/lsp8-contracts';
+
 // ERC165 interface IDs of each LSP
 import { INTERFACE_ID_LSP0 } from '@lukso/lsp0-contracts';
 import { INTERFACE_ID_LSP1 } from '@lukso/lsp1-contracts';
diff --git a/packages/lsp7-contracts/constants.ts b/packages/lsp7-contracts/constants.ts
index 955a3c0e3..2a4de93cc 100644
--- a/packages/lsp7-contracts/constants.ts
+++ b/packages/lsp7-contracts/constants.ts
@@ -1,5 +1,7 @@
 export const INTERFACE_ID_LSP7 = '0xc52d6008';
 
+export const INTERFACE_ID_LSP7_PREVIOUS = { '0xb3c4928f': 'v0.14.0', '0xdaa746b7': 'v0.12.0' };
+
 export const LSP7_TYPE_IDS = {
   // keccak256('LSP7Tokens_SenderNotification')
   LSP7Tokens_SenderNotification:
diff --git a/packages/lsp8-contracts/constants.ts b/packages/lsp8-contracts/constants.ts
index 59dd86e0f..c3d5115a3 100644
--- a/packages/lsp8-contracts/constants.ts
+++ b/packages/lsp8-contracts/constants.ts
@@ -1,5 +1,7 @@
 export const INTERFACE_ID_LSP8 = '0x3a271706';
 
+export const INTERFACE_ID_LSP7_PREVIOUS = { '0xecad9f75': 'v0.13.0', '0x30dc5278': 'v0.12.0' };
+
 export const LSP8DataKeys = {
   LSP8TokenIdFormat: '0xf675e9361af1c1664c1868cfa3eb97672d6b1a513aa5b81dec34c9ee330e818d',
   LSP8TokenMetadataBaseURI: '0x1a7628600c3bac7101f53697f48df381ddc36b9015e7d7c9c5633d1252aa2843',