add erc20 functions

[kroist]

No description provided.

[github-actions]

Transaction Name	Main	Current	Difference (%)
NewAccount	2001265	2001265	0.00000%
Deposit	1829073	1829073	0.00000%
Withdraw	1898366	1898366	0.00000%

[github-actions]

📊 Coverage Report

📈 Total Coverage Summary

Type	Covered	Total	Coverage
📝 Lines	2008	3151	🟠 63.72%
📄 Statements	2008	3151	🟠 63.72%
⚡ Functions	69	77	🟡 89.61%
🔀 Branches	197	200	🟡 98.5%

Coverage Legend

• ✅ 100% Coverage
• 🟡 80-99% Coverage
• 🟠 50-79% Coverage
• ❌ 0-49% Coverage

📁 File Coverage

📋 Detailed Coverage Report

File	Lines	Statements	Functions	Branches
✅ zkOS-monorepo/ts/shielder-sdk/src/_generated/abi_v0_0_1.ts	100%	100%	100%	100%
❌ zkOS-monorepo/ts/shielder-sdk/src/_generated/abi.ts	0%	0%	0%	0%
✅ zkOS-monorepo/ts/shielder-sdk/src/actions/deposit.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/actions/index.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/actions/newAccount.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/actions/utils.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/actions/withdraw.ts	100%	100%	100%	100%
❌ zkOS-monorepo/ts/shielder-sdk/src/chain/contract.ts	9.09%	9.09%	25%	100%
❌ zkOS-monorepo/ts/shielder-sdk/src/chain/relayer.ts	20.75%	20.75%	33.33%	50%
✅ zkOS-monorepo/ts/shielder-sdk/src/client.ts	100%	100%	93.75%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/constants.ts	100%	100%	100%	100%
❌ zkOS-monorepo/ts/shielder-sdk/src/index.ts	0%	0%	0%	0%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/events.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/index.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/manager.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/storageSchema.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/sync.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/state/types.ts	100%	100%	100%	100%
✅ zkOS-monorepo/ts/shielder-sdk/src/utils.ts	100%	100%	100%	100%