Improvement when getting balance

[scx1332]

Use multi call contract for getting balance and checking RPC correctness

Using proper contract we should be able to check in one call balance, token balance and also the block timestamp that we are on. That will greatly improve response time and fix some issues when calling multiple rpc endpoints consecutively.

[golmek]

2-3 MD

[golmek]

• Should be done EoW
• Monday: after daily presentation

[golmek]

@scx1332 Presentation for a team - Wednesday 29.05

[golmek]

@scx1332 - please add PR's and change status to the actual one

[golmek]

@scx1332 TODO: Check on different RPC endpoints that a feature works with zero balances.

• Write here what was checked / what configurations
  to be considered: fallback to old getting balance method?

[scx1332]

List of tested polygon nodes
"https://polygon-pokt.nodies.app",
"https://polygon-mainnet.public.blastapi.io",
"https://polygon-pokt.nodies.app",
"https://1rpc.io/matic",
"https://polygon-rpc.com",

List of tested holesky nodes
"https://holesky.drpc.org",
"https://ethereum-holesky.blockpi.network/v1/rpc/public",
"https://ethereum-holesky-rpc.publicnode.com"

Other nodes where also tested but lot of them are unstable

[scx1332]

holesky.drpc.org sometimes returned:

insufficient funds for gas * price + value