add ATA creation utils

[Unheilbar]

Description

Requires Dependencies

Resolves Dependencies

[cl-sonarqube-production]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 75%)

See analysis details on SonarQube

[amit-momin]

I think we'll also want a tokenProgram solana.PublicKey in the signature too

[amit-momin]

The naming is kind of confusing but I think we'll want the tokens.FindAssociatedTokenAddress here instead. The import being "github.com/smartcontractkit/chainlink-ccip/chains/solana/utils/tokens"

[amit-momin]

Maybe it's overkill but in our existing ChainWriter code we also validate that the mint is a valid one before continuing. Maybe we can add that here too for safety.

chainlink-solana/pkg/solana/chainwriter/ata_creation.go

Lines 61 to 69 in acc1c8e

	accountInfo, err := client.GetAccountInfoWithOpts(ctx, mint.PublicKey, &rpc.GetAccountInfoOpts{
	Commitment: rpc.CommitmentFinalized,
	})
	if err != nil {
	return nil, fmt.Errorf("failed to fetch account info for token mint %s: %w", mint.PublicKey.String(), err)
	}
	if accountInfo == nil || accountInfo.Value == nil {
	return nil, fmt.Errorf("failed to fetch account info for token mint %s", mint.PublicKey.String())
	}

[amit-momin]

I think we want to stick to the tokens package and use tokens.CreateAssociatedTokenAccount here instead also

[github-actions]

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