3 - Error management

[zapaz]

Objective

Manage transaction errors and inform user

Description

• catch transaction errors, either on txResp or txReceipt
• special attention to "normal error" : when user reject the tx in metamask
• display error reason if possible, in a popup or alert/error zone
• make it in a generic way with common function
• to do on all 7 current tx : Clone, Mint, Burn, Transfer, Sell, Buy (and Claim later)
• make a list of all possible error, or at least a list of error we see

Tests

Test all errors manually

Errors

"error 429 to many requests" when fetching IPFS image url

[zapaz]

to be done with 11/ ISSUE #283