Use protobufs to store confirmed blocks in BigTable (#12526)

* Use protobufs to store confirmed blocks in BigTable

* Cleanup

* Reorganize proto

* Clean up use statements

* Split out function for unit testing

* s/utils/convert

Co-authored-by: Tyera Eulberg <teulberg@gmail.com>

storage-bigtable/proto/solana.bigtable.confirmed_block.rs

@@ -0,0 +1,95 @@
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ConfirmedBlock {
+    #[prost(string, tag = "1")]
+    pub previous_blockhash: std::string::String,
+    #[prost(string, tag = "2")]
+    pub blockhash: std::string::String,
+    #[prost(uint64, tag = "3")]
+    pub parent_slot: u64,
+    #[prost(message, repeated, tag = "4")]
+    pub transactions: ::std::vec::Vec<ConfirmedTransaction>,
+    #[prost(message, repeated, tag = "5")]
+    pub rewards: ::std::vec::Vec<Reward>,
+    #[prost(message, optional, tag = "6")]
+    pub block_time: ::std::option::Option<UnixTimestamp>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ConfirmedTransaction {
+    #[prost(message, optional, tag = "1")]
+    pub transaction: ::std::option::Option<Transaction>,
+    #[prost(message, optional, tag = "2")]
+    pub meta: ::std::option::Option<TransactionStatusMeta>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Transaction {
+    #[prost(bytes, repeated, tag = "1")]
+    pub signatures: ::std::vec::Vec<std::vec::Vec<u8>>,
+    #[prost(message, optional, tag = "2")]
+    pub message: ::std::option::Option<Message>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Message {
+    #[prost(message, optional, tag = "1")]
+    pub header: ::std::option::Option<MessageHeader>,
+    #[prost(bytes, repeated, tag = "2")]
+    pub account_keys: ::std::vec::Vec<std::vec::Vec<u8>>,
+    #[prost(bytes, tag = "3")]
+    pub recent_blockhash: std::vec::Vec<u8>,
+    #[prost(message, repeated, tag = "4")]
+    pub instructions: ::std::vec::Vec<CompiledInstruction>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct MessageHeader {
+    #[prost(uint32, tag = "1")]
+    pub num_required_signatures: u32,
+    #[prost(uint32, tag = "2")]
+    pub num_readonly_signed_accounts: u32,
+    #[prost(uint32, tag = "3")]
+    pub num_readonly_unsigned_accounts: u32,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransactionStatusMeta {
+    #[prost(message, optional, tag = "1")]
+    pub err: ::std::option::Option<TransactionError>,
+    #[prost(uint64, tag = "2")]
+    pub fee: u64,
+    #[prost(uint64, repeated, tag = "3")]
+    pub pre_balances: ::std::vec::Vec<u64>,
+    #[prost(uint64, repeated, tag = "4")]
+    pub post_balances: ::std::vec::Vec<u64>,
+    #[prost(message, repeated, tag = "5")]
+    pub inner_instructions: ::std::vec::Vec<InnerInstructions>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransactionError {
+    #[prost(bytes, tag = "1")]
+    pub err: std::vec::Vec<u8>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct InnerInstructions {
+    #[prost(uint32, tag = "1")]
+    pub index: u32,
+    #[prost(message, repeated, tag = "2")]
+    pub instructions: ::std::vec::Vec<CompiledInstruction>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CompiledInstruction {
+    #[prost(uint32, tag = "1")]
+    pub program_id_index: u32,
+    #[prost(bytes, tag = "2")]
+    pub accounts: std::vec::Vec<u8>,
+    #[prost(bytes, tag = "3")]
+    pub data: std::vec::Vec<u8>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Reward {
+    #[prost(string, tag = "1")]
+    pub pubkey: std::string::String,
+    #[prost(int64, tag = "2")]
+    pub lamports: i64,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct UnixTimestamp {
+    #[prost(int64, tag = "1")]
+    pub timestamp: i64,
+}