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docs: Ledger Live integration, contract deploy learnings, NEXT_STEPS updates

- ADD_CHAIN138_TO_LEDGER_LIVE: Ledger form done; public code review repo bis-innovations/LedgerLive; init/push commands
- CONTRACT_DEPLOYMENT_RUNBOOK: Chain 138 gas price 1 gwei, 36-addr check, TransactionMirror workaround
- CONTRACT_*: AddressMapper, MirrorManager deployed 2026-02-12; 36-address on-chain check
- NEXT_STEPS_FOR_YOU: Ledger done; steps completable now (no LAN); run-completable-tasks-from-anywhere
- MASTER_INDEX, OPERATOR_OPTIONAL, SMART_CONTRACTS_INVENTORY_SIMPLE: updates
- LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE: bis-innovations/LedgerLive reference

Co-authored-by: Cursor <cursoragent@cursor.com>

2026-02-12 15:46:57 -08:00

1.9 KiB

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WETH9/WETH10 & Oracle Quick Reference

Last Updated: 2026-01-31
Document Version: 1.0
Status: Active Documentation

Date: 2026-01-26
Quick lookup for fixes and configuration

✅ WETH9/WETH10 Decimals - FIXED

Token Information

Token	Address	Decimals	Status
WETH9	`0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2`	18	✅ Fixed in token lists
WETH10	`0xf4BB2e28688e89fCcE3c0580D37d36A7672E8A9f`	18	✅ Correct

Quick Fix for Users

Remove token from MetaMask (if already imported)
Re-import with decimals set to 18
Or use token list (recommended)

💰 Oracle Price Feed

Oracle Contract

Address: 0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6
Price Feed: ETH/USD
Decimals: 8
Update Frequency: 60 seconds

Quick Verification

# Get latest price
cast call 0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6 \
  "latestRoundData()" \
  --rpc-url https://rpc-http-pub.d-bis.org

JavaScript Query

const oracle = new ethers.Contract(
  '0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6',
  ['function latestRoundData() external view returns (uint80, int256, uint256, uint256, uint80)'],
  provider
);

const [, answer] = await oracle.latestRoundData();
const price = Number(answer) / 1e8; // Convert from 8 decimals
console.log(`ETH/USD: $${price}`);

⚠️ Important Notes

MetaMask Limitation: MetaMask doesn't automatically query oracle contracts
CoinGecko Required: For native MetaMask USD display, tokens need CoinGecko listing
dApp Solution: Query oracle directly in dApps to display USD values

📚 Full Documentation

Complete Fix Guide: FIX_WETH9_WETH10_DECIMALS_AND_ORACLE.md
Oracle Setup: ORACLE_PRICE_FEED_SETUP.md

Last Updated: 2026-01-26

1.9 KiB Raw Blame History