Add Providers

To add a Provider, call the addProvidersFor function on the Snowflake smart contract with the approvingAddress, Providers, v,r,s signatures from both Addresses, and the timestamp of the function call.

Triggers event: ProviderAdded

The addProvidersFor function should contain:

ARGUMENTS

Parameter	Type	Description
approvingAddress	address	A current Associated Address of the EIN.
providers	address[]	Array of addresses provided.
r, s, v signature	bytes32, bytes32, uint8	Signed message as required in the format below.
timestamp	uint	Timestamp of the function call to prevent replay attacks.

Signatures should follow the below pattern:

keccak256(
                    abi.encodePacked(
                        "I authorize that these Providers be added to my Identity", ein, providers, timestamp
                    )
                )