sol_did/instructions/
add_verification_method.rs

1use crate::constants::DID_ACCOUNT_SEED;
2
3use crate::state::{DidAccount, Secp256k1RawSignature, VerificationMethod};
4use anchor_lang::prelude::*;
5
6pub fn add_verification_method(
7    ctx: Context<AddVerificationMethod>,
8    verification_method: VerificationMethod,
9    eth_signature: Option<Secp256k1RawSignature>,
10) -> Result<()> {
11    let data = &mut ctx.accounts.did_data;
12    if eth_signature.is_some() {
13        data.nonce += 1;
14    }
15
16    let existing = [
17        data.verification_methods.as_slice(),
18        &[data.initial_verification_method.clone()],
19    ]
20    .concat();
21
22    data.set_verification_methods(existing, vec![verification_method])
23}
24
25#[derive(Accounts)]
26#[instruction(verification_method: VerificationMethod, eth_signature: Option<Secp256k1RawSignature>)]
27pub struct AddVerificationMethod<'info> {
28    #[account(
29        mut,
30        seeds = [DID_ACCOUNT_SEED.as_bytes(), did_data.initial_verification_method.key_data.as_ref()],
31        bump = did_data.bump,
32        constraint = did_data.find_authority_constraint(&authority.key(), &verification_method.try_to_vec().unwrap(), eth_signature.as_ref(), None).is_some(),
33    )]
34    pub did_data: Account<'info, DidAccount>,
35    pub authority: Signer<'info>,
36}