[readme] update flipside queries (#139)

* [readme] update flipside queries

* [readme] fix epoch calculation

programs/validator-bonds/ON_CHAIN_ANALYSIS.md

@@ -4,6 +4,10 @@ To check the historical data of the Validator Bonds program processing
 we present here a analysis queries to [FlipSide Crypto](https://flipsidecrypto.xyz/)
 that bring the insight of the on-chain data processing.
 
+For details on available tables for Solana transactions table see
+[core__fact_transactions view](https://flipsidecrypto.github.io/solana-models/#!/model/model.solana_models.core__fact_transactions).
+
+
 ## Query Validator Bonds Fund instructions
 
 ### Fund Bond
@@ -48,6 +52,7 @@ from
   LATERAL FLATTEN(input => account_keys) accounts
 WHERE 1=1
   and stake_account = accounts.value:pubkey
+ORDER BY block_timestamp  ASC
 ```
 
 ### Fund Settlement
@@ -60,9 +65,20 @@ with
   fund_ixs as (
     select
       tx_id,
+      -- fund_settlement ix was changed from epoch 679 and stake is at index 5 instead of 4 as before
       -- https://github.com/marinade-finance/validator-bonds/blob/main/programs/validator-bonds/src/instructions/settlement/fund_settlement.rs - 5th account in ix, index 4
-      ixs.value:accounts[4] stake_account,
-      ixs.value:accounts[7] split_stake_account,
+      CASE
+           WHEN BLOCK_ID >= 293328000
+          THEN 5
+        ELSE 4
+      END AS stake_account_idx,
+      CASE
+           WHEN BLOCK_ID >= 293328000
+          THEN 8
+        ELSE 7
+      END AS split_stake_account_idx,
+      ixs.value:accounts[stake_account_idx] stake_account,
+      ixs.value:accounts[split_stake_account_idx] split_stake_account,
       ixs.value:accounts[1] bond_account,
       ixs.value:data ix_data,
       account_keys,
@@ -73,29 +89,30 @@ with
     from solana.core.fact_transactions,
       LATERAL FLATTEN(input => instructions) ixs,
     where 1=1
-      and BLOCK_TIMESTAMP > CURRENT_DATE - 7
-      -- and BLOCK_TIMESTAMP <= CURRENT_DATE - 7
+      and BLOCK_ID >= 298080000
+      and bond_account = '<<bond-account-pubkey>>'
       and ixs.value:programId = 'vBoNdEvzMrSai7is21XgVYik65mqtaKXuSdMBJ1xkW4'
       -- FundSettlement Anchor IX discriminator: '[179, 146, 113, 34, 30, 92, 26, 19]'
       -- base58: X35Gz7Wk1Y6
       and ixs.value:data = 'X35Gz7Wk1Y6'
-      and bond_account = '<<bond-account-pubkey>>'
   )
 select
+  floor(block_id / 432000) AS epoch,
   block_timestamp,
   block_id,
   tx_id,
   stake_account,
   split_stake_account,
   bond_account,
-  pre_balances[accounts.index] / 1e9 pre_balance,
-  post_balances[accounts.index] / 1e9 post_balance,
+  -- filtering by stake_account to accounts.value:pubkey and the .index is the stake account post balance
+  post_balances[accounts.index] / 1e9 funded_amount,
   ix_data
 from
   fund_ixs,
   LATERAL FLATTEN(input => account_keys) accounts
 WHERE 1=1
   and stake_account = accounts.value:pubkey
+ORDER BY floor(block_id/432000) ASC
 ```
 
 
@@ -119,7 +136,25 @@ where 1=1
     -- filter the list of inner instructions for only the emit log CPI events
     -- this instruction is always emitted by the same Anchor CPI PDA defined for the bond program
     and array_contains('j6cZKhHTFuWsiCgPT5wriQpZWqWWUSQqjDJ8S2YDvDL'::variant, ixs.value:accounts)
-order by block_timestamp ASC;
+ORDER BY block_timestamp ASC
+```
+
+```sql
+-- FundSettlement
+select block_timestamp, ixs.value:data
+from solana.core.fact_events fe
+inner JOIN solana.core.fact_transactions ft USING(block_timestamp, tx_id, succeeded)
+  ,LATERAL FLATTEN(input => fe.inner_instruction:instructions) ixs,
+where
+fe.succeeded
+and fe.program_id = 'vBoNdEvzMrSai7is21XgVYik65mqtaKXuSdMBJ1xkW4'
+and array_contains('Program log: Instruction: FundSettlement'::variant, ft.log_messages)
+-- vote account: CaraHZBReeNNYAJ326DFsvy41M2p1KWTEoBAwBL6bmWZ -> bond account: 3zVyxrxkR2a3oWoBku7CaAG7UW6JS65vqyoTdG1Djig9
+and array_contains('3zVyxrxkR2a3oWoBku7CaAG7UW6JS65vqyoTdG1Djig9'::variant, fe.instruction:accounts)
+-- from the list of inner instructions getting only those that contains the CPI event data
+-- the CPI PDA call address is always the same for bond program
+and array_contains('j6cZKhHTFuWsiCgPT5wriQpZWqWWUSQqjDJ8S2YDvDL'::variant, ixs.value:accounts)
+ORDER BY block_timestamp ASC
 ```
 
 The string found in the `ixs.value:data` column can be decrypted using the