需求

Solana原版代码会在初始化时，预先会创建一系列账户地址和余额
跟进代码，确定初始化地址用途，是否必须的，是否可禁掉

跟进代码

genesis/src/genesis_accounts.rs

fn add_stakes(
    genesis_config: &mut GenesisConfig,
    staker_infos: &[StakerInfo],
    unlock_info: &UnlockInfo,
) -> u64 {
    staker_infos
        .iter()
        .map(|staker_info| create_and_add_stakes(genesis_config, staker_info, unlock_info, None))
        .sum::<u64>()
}

pub fn add_genesis_accounts(genesis_config: &mut GenesisConfig, mut issued_lamports: u64) {
    // add_stakes() and add_validators() award tokens for rent exemption and
    //  to cover an initial transfer-free period of the network

    issued_lamports += add_stakes(
        genesis_config,
        CREATOR_STAKER_INFOS,
        &UNLOCKS_HALF_AT_9_MONTHS,
    ) + add_stakes(
        genesis_config,
        SERVICE_STAKER_INFOS,
        &UNLOCKS_ALL_AT_9_MONTHS,
    ) + add_stakes(
        genesis_config,
        FOUNDATION_STAKER_INFOS,
        &UNLOCKS_ALL_DAY_ZERO,
    ) + add_stakes(genesis_config, GRANTS_STAKER_INFOS, &UNLOCKS_ALL_DAY_ZERO)
        + add_stakes(
            genesis_config,
            COMMUNITY_STAKER_INFOS,
            &UNLOCKS_ALL_DAY_ZERO,
        );

    // "one thanks" (community pool) gets 500_000_000SOL (total) - above distributions
    create_and_add_stakes(
        genesis_config,
        &StakerInfo {
            name: "one thanks",
            staker: "7vEAL3nS9CWmy1q6njUUyHE7Cf5RmyQpND6CsoHjzPiR",
            lamports: (500_000_000 * LAMPORTS_PER_SOL).saturating_sub(issued_lamports),
            withdrawer: Some("3FFaheyqtyAXZSYxDzsr5CVKvJuvZD1WE1VEsBtDbRqB"),
        },
        &UNLOCKS_ALL_DAY_ZERO,
        None,
    );
}

分析

1. 创建多个质押锁仓地址，并初始化对应量余额
2. 创建community pool，余额为 500_000_000 - (issued_lamports - faucet_lamports)

从功能来说不是私链初始化链所必须的

Diff

 genesis/src/main.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/genesis/src/main.rs b/genesis/src/main.rs
index 6b7efd5e66..45154443ab 100644
--- a/genesis/src/main.rs
+++ b/genesis/src/main.rs
@@ -15,7 +15,7 @@ use {
         },
     },
     solana_entry::poh::compute_hashes_per_tick,
-    solana_genesis::{genesis_accounts::add_genesis_accounts, Base64Account},
+    solana_genesis::{Base64Account},
     solana_ledger::{blockstore::create_new_ledger, blockstore_options::LedgerColumnOptions},
     solana_sdk::{
         account::{Account, AccountSharedData, ReadableAccount, WritableAccount},
@@ -597,7 +597,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
         .map(|account| account.lamports)
         .sum::<u64>();

-    add_genesis_accounts(&mut genesis_config, issued_lamports - faucet_lamports);
+    // add_genesis_accounts(&mut genesis_config, issued_lamports - faucet_lamports);

     let parse_address = |address: &str, input_type: &str| {
         address.parse::<Pubkey>().unwrap_or_else(|err| {

测试

1. 重置链网络
2. 查看初始化地址，是否有非预期地址
3. 查看bootstrap-validator 出块，手续费接收等是否正常

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