Add practical ESDT payment examples and token identifier clarifications #1176
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- Added complete working examples of ESDT payment validation in sc-payments.md - Added ESDTTransfer testing command explanation - Added common validation patterns - Added troubleshooting section for common ESDT payment errors - Added token ID format warning in fungible-tokens.md - Added decimal precision warning with code examples
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What This PR Adds
1. Practical ESDT Payment Examples (
sc-payments.md)ESDTTransfer2. Token Identifier Format Clarifications (
fungible-tokens.md)TOKEN-abc123vsTOKEN)Why These Changes?
As a Technical writer understanding smart cotracts, building ESDT-powered smart contracts on MultiversX, I encountered several issues that weren't clearly documented in the existing pages:
Token ID Format: The current docs mention that identifiers include a random suffix but don't warn that omitting it causes contract errors. This is the Update esdt-tokens.md #1 issue new developers hit.
Testing Pattern: The docs explain
#[payable]but don't show the actualESDTTransfercommand needed to test these endpoints, which is non-obvious for developers coming from other chains.Decimal Handling: While decimals are mentioned, there's no specific warning with code examples showing how to correctly calculate amounts, leading to "amount mismatch" errors.
Validation Patterns: The docs list available API functions but don't show complete examples of how to properly validate payments in production contracts.
These additions address gaps I personally experienced while building a token vesting contract on devnet. The examples are from real, deployed contracts that handle these scenarios correctly.
Impact
This PR enhances the existing documentation by:
Testing
All code examples are based on contracts successfully deployed and tested on devnet:
The validation patterns shown follow MultiversX best practices and prevent common security/logic issues.