Release V0.4.4 (#1588)

* Dont panic for check balance (#1493) * Introduce BalanceMismatch error * Merge branch 'staging' of github.com:nearprotocol/nearcore into dont-panic-for-check-balance * Merge branch 'staging' of github.com:nearprotocol/nearcore into dont-panic-for-check-balance * Merge bug * Merge branch 'staging' into dont-panic-for-check-balance * Merge refs/heads/staging into dont-panic-for-check-balance * Merge refs/heads/staging into dont-panic-for-check-balance * Merge refs/heads/staging into dont-panic-for-check-balance * Merge branch 'staging' of github.com:nearprotocol/nearcore into dont-panic-for-check-balance * Merge branch 'dont-panic-for-check-balance' of github.com:nearprotocol/nearcore into dont-panic-for-check-balance * Merge master into staging (#1511) * Give more money to test.near (#1467) * Give more money to test.near * Bump version * Reset state and bump version (#1499) * Bump version for Borsh (#1502) * Fix boot node in start_testnet.py (#1505) * Reduce total supply and adjust parameters (#1508) * Update dependency to avoid vulnerabilities (#1509) * Update dependency to avoid vulnerabilities * Remove serde_cbor * pytest for remote node (#1437) * gcloud lib and init/start cluster * Merge branch 'staging' into pytest-remote * a few fixes * almost done * a few more fix * Merge branch 'staging' into pytest-remote * more fix * more tests * more fix and tests * Merge branch 'staging' into pytest-remote * Merge branch 'staging' into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge refs/heads/staging into pytest-remote * Merge branch 'staging' into pytest-remote * Merge branch 'staging' into pytest-remote * add requirements.txt * a few fixes * remote version of block_production works * Merge branch 'pytest-remote' of github.com:nearprotocol/nearcore into pytest-remote * Merge branch 'staging' into pytest-remote * update requirements.txt * Remove some unnecessary unsafe code (#1512) * Remove some unnecessary unsafe code * Merge refs/heads/staging into remove-unsafe-code * Merge refs/heads/staging into remove-unsafe-code * Chaos Monkey now messes up with network (#1514) * Chaos Monkey now messes up with network * Fixing a typo * Adding missing shell command * Marking `local_network` monkey as existing * Adding one of the new tests that was previously missing * Handle head method for status check (#1513) * fix head status check * Merge branch 'staging' into handle-head-method * Merge refs/heads/staging into handle-head-method * Merge refs/heads/staging into handle-head-method * recover system coredump by Misha for minimize docker image (#1528) * recover system coredump by Misha for minimize docker image * Move rewards to runtime (#1497) * Move validator rewards to runtime * Merge branch 'staging' of github.com:nearprotocol/nearcore into move-rewards-to-runtime * Merge branch 'staging' of github.com:nearprotocol/nearcore into move-rewards-to-runtime * Update runtime/runtime/src/lib.rs Co-Authored-By: Maksym Zavershynskyi <35039879+nearmax@users.noreply.github.com> * Merge branch 'staging' of github.com:nearprotocol/nearcore into move-rewards-to-runtime * Merge branch 'move-rewards-to-runtime' of github.com:nearprotocol/nearcore into move-rewards-to-runtime * Merge branch 'staging' into move-rewards-to-runtime * Merge refs/heads/staging into move-rewards-to-runtime * Fix a dependency (#1527) * Fix a dependency eth-secp256k1 got renamed to parity-secp256k1 * Merge refs/heads/staging into fix_build * update rust-toolchain (#1529) * update rust-toolchain * Fix some warnings (#1530) * Fix some warnings * More warnings * Introduced `chunk` API (#1524) * Introduced `chunk` API * Saving genesis chunks to make consistent output from chunks RPC * Bump near-vm-* to 0.3.1 (#1541) * Nit * Bump to 0.3.1 * Nit * working coredump for docker (#1531) * working coredump for docker * Merge branch 'staging' into docker-coredump * Merge refs/heads/staging into docker-coredump * Update dependencies (#1532) * Update dependencies * Merge master into staging (#1534) * Give more money to test.near (#1467) * Give more money to test.near * Bump version * Reset state and bump version (#1499) * Bump version for Borsh (#1502) * Fix boot node in start_testnet.py (#1505) * Reduce total supply and adjust parameters (#1508) * Remove all warnings (#1516) * Add more bootnodes (#1525) * Genesis csv to Genesis json tool + key generator (#1462) * WIP * Code to read token holders from the file * Minimal code that reads genesis from csv and converts it to json * Tool for generating key pairs * Make csv-parser a runnable binary * Merge * Merge branch 'staging' into genesis-mainnet * Merge * Merge branch 'genesis-mainnet' of https://github.com/nearprotocol/nearcore into genesis-mainnet * Merge branch 'staging' into genesis-mainnet * Merge branch 'staging' into genesis-mainnet * Nit * Merge branch 'genesis-mainnet' of https://github.com/nearprotocol/nearcore into genesis-mainnet * Merge branch 'staging' into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Merge refs/heads/staging into genesis-mainnet * Rpc transaction routing (#1544) * Rpc transaction routing * Transaction status routing * Merge branch 'staging' into rpc-tx-routing * Revert changes to runtime * Fix test * A python test for rpc tx forwarding * fix pytest * use SizedCache * Add RequestRouted Address comments * Fix keypair generation problem when directory does not exist (#1556) * Fix some issues related to genesis and running nodes (#1557) * Do not always override bootnodes * Add genesis time to Row * bump rpc polling timeout to 10s * toolchain set to nightly-2019-10-04 (#1539) * Revert profile-overrides syntax after toolchain downgrade (#1558) * Chaos Monkey now restarts nodes (#1554) Two new modes in chaos monkey: - `node_restart` ocasionally restarts one of the nodes that are initially running (but always just one) - `node_set` maintains an extra set of nodes (which are initially shut down), and prediodically restarts them arbitrarily, ocasionally also wiping out their data folders. * fix a few queries which was work for only one node by aggregate (#1563) * fix a few queries which was work for only one node by aggregate * Merge branch 'staging' into fix-dashboard * Cargo bug workaround (#1564) * Remove mock feature * Bump versions * Script to publish runtime packages * Merge branch 'staging' into wasm32_fix * Fix bad test in near-vm-logic (#1565) * Fix bad test in near-vm-logic * Merge refs/heads/staging into bad_test * adding genesis tools for stakewars into dockerfile (#1567) * adding genesis tools for stakewars into dockerfile * Merge branch 'staging' into genesis-tool-docker * Merge refs/heads/staging into genesis-tool-docker * Fix unused return values in serialization (#1568) * Fix unused return values in serialization * Merge refs/heads/staging into bad_borsh * Update borsh to 0.2.9 (#1566) * Update borsh to 0.2.9 * Merge refs/heads/staging into update_borsh * Merge refs/heads/staging into update_borsh * Merge refs/heads/staging into update_borsh * Merge refs/heads/staging into update_borsh * update bootnode ip (#1569) * update bootnode ip * Merge branch 'staging' into update-bootnode * Merge refs/heads/staging into update-bootnode * Fix chunk producer kickout (#1571) * Fix chunk producer kickout * fix genesis * fix initialization * Script to start nodes for stakewars (#1572) * Scripts to start nodes for stakewars * change chain-id * fix quotes * do not override if genesis already exists * ext-costs moved to logic config extracted (#1417) * gas_counter moved to mod * instrumented runtime with gas counter * hash256 per-byte gas counting added * block_timestamp test added and fix tests * fix genesis config * ext-costs moved to logic config extracted * rename Config -> VMConfig * #49: cargo fmt all & add CI check (#1574) * Fix typo: Secp2561KSignature -> Secp256K1Signature (#1518) * do not remove docker build to avoid sudo (#1583) * do not remove docker build to avoid sudo * Improve genesis tools (#1562) * Improve genesis tools * Merge refs/heads/staging into improve-genesis-tools * Merge refs/heads/staging into improve-genesis-tools * Merge refs/heads/staging into improve-genesis-tools * Merge refs/heads/staging into improve-genesis-tools * Merge refs/heads/staging into improve-genesis-tools * extract verification code * Merge branch 'staging' into improve-genesis-tools * Merge branch 'staging' into improve-genesis-tools * Merge refs/heads/staging into improve-genesis-tools * Code ownership for genesis tools (#1584) * Code ownership for genesis tools * Merge branch 'staging' into genesis-ownerhsip * Disable ban for abusing peers. (#1585) * Add option to generate signer keys to file (#1587)
near · Oct 30, 2019 · bd348d8 · bd348d8
1 parent 97034fb
commit bd348d8
Show file tree

Hide file tree

Showing 142 changed files with 80,199 additions and 64,908 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,7 @@
 # Generated by Cargo
 # will have compiled files and executables
 target
+docker-build
 **/target/
 /storage/
 /test-utils/node/storage
@@ -41,3 +42,6 @@ tmp/
 
 # Logs
 *.log
+
+# Vim tmp files
+*.swp
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
@@ -17,6 +17,7 @@ test_cargo:
     - *setup_cache
     script:
     - rustc --version && cargo --version
+    - cargo fmt --all -- --check
     - cargo check --all --tests --benches --all-features
     - cargo test --all --verbose
 

diff --git a/CODEOWNERS b/CODEOWNERS
@@ -3,3 +3,5 @@
 /chain/ @ilblackdragon @SkidanovAlex
 
 /runtime/ @nearmax @evgenykuzyakov
+
+/genesis-tools/ @nearmax
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -31,14 +31,16 @@ members = [
     "test-utils/loadtester",
     "test-utils/state-viewer",
     "near/",
+    "genesis-tools/genesis-csv-to-json",
     "genesis-tools/genesis-populate",
+    "genesis-tools/keypair-generator",
 ]
 
 [dev-dependencies]
 actix = "0.8.2"
 lazy_static = "1.4.0"
 log = "0.4.6"
-rand = "0.6"
+rand = "0.7"
 serde_json = "1.0.0"
 reqwest = "0.9"
 futures = "0.1.25"

diff --git a/Dockerfile b/Dockerfile
@@ -30,7 +30,11 @@ RUN --mount=type=cache,target=/tmp/target \
     --mount=type=cache,target=/usr/local/cargo/git \
     --mount=type=cache,target=/usr/local/cargo/registry \
     cargo build -p near --release && \
-    cp /tmp/target/release/near /usr/local/bin/
+    cargo build -p keypair-generator --release && \
+    cargo build -p genesis-csv-to-json --release && \
+    cp /tmp/target/release/near /usr/local/bin/ && \
+    cp /tmp/target/release/keypair-generator /usr/local/bin && \
+    cp /tmp/target/release/genesis-csv-to-json /usr/local/bin
 
 EXPOSE 3030 24567
 

diff --git a/Dockerfile.prod b/Dockerfile.prod
@@ -3,7 +3,7 @@ FROM phusion/baseimage:0.11
 EXPOSE 3030 24567
 
 COPY scripts/run_docker.sh /usr/local/bin/run.sh
-COPY docker-build/near /usr/local/bin/near
+COPY docker-build/* /usr/local/bin/
 
 ENTRYPOINT ["/sbin/my_init", "--"]
 

diff --git a/Makefile b/Makefile
@@ -2,5 +2,6 @@ docker-nearcore:
 	DOCKER_BUILDKIT=1 docker build -t nearcore-dev -f Dockerfile .
 	mkdir -p docker-build
 	docker run -v ${PWD}/docker-build:/opt/mount --rm --entrypoint cp nearcore-dev /usr/local/bin/near /opt/mount/near
+	docker run -v ${PWD}/docker-build:/opt/mount --rm --entrypoint cp nearcore-dev /usr/local/bin/genesis-csv-to-json /opt/mount/genesis-csv-to-json
+	docker run -v ${PWD}/docker-build:/opt/mount --rm --entrypoint cp nearcore-dev /usr/local/bin/keypair-generator /opt/mount/keypair-generator
 	docker build -t nearcore -f Dockerfile.prod .
-	rm -rf docker-build
diff --git a/async-utils/Cargo.toml b/async-utils/Cargo.toml
@@ -5,5 +5,5 @@ authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2018"
 
 [dependencies]
-futures03 = { package = "futures-preview", version = "0.3.0-alpha.16", features = ["compat", "async-await", "nightly"] }
+futures03 = { package = "futures-preview", version = "0.3.0-alpha.19", features = ["compat", "async-await"] }
 tokio = "0.1.15"
diff --git a/async-utils/src/lib.rs b/async-utils/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(await_macro, async_await)]
-
 use std::time::{Duration, Instant};
 
 use futures03::{compat::Future01CompatExt as _, FutureExt as _};
@@ -10,7 +8,7 @@ use futures03::{compat::Future01CompatExt as _, FutureExt as _};
 /// It is useful when the `futures-preview` is imported as `futures03`.
 macro_rules! select { // replace `::futures_util` with `::futures03` as the crate path
     ($($tokens:tt)*) => {
-        futures03::inner_select::select! {
+        futures03::inner_macro::select! {
             futures_crate_path ( ::futures03 )
             $( $tokens )*
         }

diff --git a/chain/chain/Cargo.toml b/chain/chain/Cargo.toml
@@ -15,7 +15,7 @@ serde_derive = "1.0"
 cached = "0.9.0"
 lazy_static = "1.4"
 
-borsh = "0.2.7"
+borsh = "0.2.9"
 
 near-crypto = { path = "../../core/crypto" }
 near-primitives = { path = "../../core/primitives" }

diff --git a/chain/chain/src/chain.rs b/chain/chain/src/chain.rs
@@ -14,7 +14,7 @@ use near_primitives::receipt::Receipt;
 use near_primitives::sharding::{
     ChunkHash, ChunkHashHeight, ReceiptProof, ShardChunk, ShardChunkHeader, ShardProof,
 };
-use near_primitives::transaction::ExecutionOutcome;
+use near_primitives::transaction::{ExecutionOutcome, ExecutionStatus};
 use near_primitives::types::{AccountId, Balance, BlockIndex, ChunkExtra, Gas, ShardId};
 use near_store::{Store, COL_STATE_HEADERS};
 
@@ -27,6 +27,10 @@ use crate::types::{
     ReceiptProofResponse, ReceiptResponse, RootProof, RuntimeAdapter, ShardStateSyncResponseHeader,
     ShardStateSyncResponsePart, StateHeaderKey, Tip, ValidatorSignatureVerificationResult,
 };
+use near_primitives::views::{
+    ExecutionOutcomeView, ExecutionOutcomeWithIdView, ExecutionStatusView,
+    FinalExecutionOutcomeView, FinalExecutionStatus,
+};
 
 /// Maximum number of orphans chain can store.
 pub const MAX_ORPHAN_SIZE: usize = 1024;
@@ -1308,6 +1312,72 @@ impl Chain {
 
         Ok(())
     }
+
+    pub fn get_transaction_execution_result(
+        &mut self,
+        hash: &CryptoHash,
+    ) -> Result<ExecutionOutcomeView, String> {
+        match self.get_transaction_result(hash) {
+            Ok(result) => Ok(result.clone().into()),
+            Err(err) => match err.kind() {
+                ErrorKind::DBNotFoundErr(_) => {
+                    Ok(ExecutionOutcome { status: ExecutionStatus::Unknown, ..Default::default() }
+                        .into())
+                }
+                _ => Err(err.to_string()),
+            },
+        }
+    }
+
+    fn get_recursive_transaction_results(
+        &mut self,
+        hash: &CryptoHash,
+    ) -> Result<Vec<ExecutionOutcomeWithIdView>, String> {
+        let outcome = self.get_transaction_execution_result(hash)?;
+        let receipt_ids = outcome.receipt_ids.clone();
+        let mut transactions = vec![ExecutionOutcomeWithIdView { id: (*hash).into(), outcome }];
+        for hash in &receipt_ids {
+            transactions
+                .extend(self.get_recursive_transaction_results(&hash.clone().into())?.into_iter());
+        }
+        Ok(transactions)
+    }
+
+    pub fn get_final_transaction_result(
+        &mut self,
+        hash: &CryptoHash,
+    ) -> Result<FinalExecutionOutcomeView, String> {
+        let mut outcomes = self.get_recursive_transaction_results(hash)?;
+        let mut looking_for_id = (*hash).into();
+        let num_outcomes = outcomes.len();
+        let status = outcomes
+            .iter()
+            .find_map(|outcome_with_id| {
+                if outcome_with_id.id == looking_for_id {
+                    match &outcome_with_id.outcome.status {
+                        ExecutionStatusView::Unknown if num_outcomes == 1 => {
+                            Some(FinalExecutionStatus::NotStarted)
+                        }
+                        ExecutionStatusView::Unknown => Some(FinalExecutionStatus::Started),
+                        ExecutionStatusView::Failure(e) => {
+                            Some(FinalExecutionStatus::Failure(e.clone()))
+                        }
+                        ExecutionStatusView::SuccessValue(v) => {
+                            Some(FinalExecutionStatus::SuccessValue(v.clone()))
+                        }
+                        ExecutionStatusView::SuccessReceiptId(id) => {
+                            looking_for_id = id.clone();
+                            None
+                        }
+                    }
+                } else {
+                    None
+                }
+            })
+            .expect("results should resolve to a final outcome");
+        let receipts = outcomes.split_off(1);
+        Ok(FinalExecutionOutcomeView { status, transaction: outcomes.pop().unwrap(), receipts })
+    }
 }
 
 /// Various chain getters.
@@ -1437,7 +1507,7 @@ impl Chain {
 
     /// Returns underlying RuntimeAdapter.
     #[inline]
-    pub fn runtime_adapter(&self) -> Arc<RuntimeAdapter> {
+    pub fn runtime_adapter(&self) -> Arc<dyn RuntimeAdapter> {
         self.runtime_adapter.clone()
     }
 
@@ -1965,6 +2035,10 @@ impl<'a> ChainUpdate<'a> {
             return Err(ErrorKind::InvalidEpochHash.into());
         }
 
+        if header.inner.chunk_mask.len() as u64 != self.runtime_adapter.num_shards() {
+            return Err(ErrorKind::InvalidChunkMask.into());
+        }
+
         // Prevent time warp attacks and some timestamp manipulations by forcing strict
         // time progression.
         if header.inner.timestamp <= prev_header.inner.timestamp {

diff --git a/chain/chain/src/error.rs b/chain/chain/src/error.rs
@@ -75,6 +75,9 @@ pub enum ErrorKind {
     /// Invalid chunk.
     #[fail(display = "Invalid Chunk")]
     InvalidChunk,
+    /// Invalid chunk mask
+    #[fail(display = "Invalid Chunk Mask")]
+    InvalidChunkMask,
     /// Invalid epoch hash
     #[fail(display = "Invalid Epoch Hash")]
     InvalidEpochHash,
@@ -156,6 +159,7 @@ impl Error {
             | ErrorKind::InvalidBlockConfirmation
             | ErrorKind::InvalidBlockWeight
             | ErrorKind::InvalidChunk
+            | ErrorKind::InvalidChunkMask
             | ErrorKind::InvalidStateRoot
             | ErrorKind::InvalidTxRoot
             | ErrorKind::InvalidChunkReceiptsRoot
@@ -199,6 +203,3 @@ impl From<String> for Error {
 }
 
 impl std::error::Error for Error {}
-
-unsafe impl Send for Error {}
-unsafe impl Sync for Error {}
diff --git a/chain/chain/src/test_utils.rs b/chain/chain/src/test_utils.rs
@@ -18,8 +18,7 @@ use near_primitives::transaction::{
     TransferAction,
 };
 use near_primitives::types::{
-    AccountId, Balance, BlockIndex, EpochId, MerkleHash, Nonce, ShardId, StateRoot,
-    ValidatorStake,
+    AccountId, Balance, BlockIndex, EpochId, MerkleHash, Nonce, ShardId, StateRoot, ValidatorStake,
 };
 use near_primitives::views::QueryResponse;
 use near_store::test_utils::create_test_store;
@@ -32,7 +31,7 @@ use crate::types::{
     ValidatorSignatureVerificationResult, Weight,
 };
 use crate::{Chain, ChainGenesis, ValidTransaction};
-use near_primitives::errors::InvalidTxErrorOrStorageError;
+use near_primitives::errors::RuntimeError;
 use near_primitives::merkle::{merklize, verify_path, MerklePath};
 
 pub const DEFAULT_STATE_NUM_PARTS: u64 = 17; /* TODO MOO */
@@ -179,7 +178,7 @@ impl KeyValueRuntime {
         }
         let prev_block_header = self
             .get_block_header(prev_hash)?
-            .ok_or(format!("Missing block {} when computing the epoch", prev_hash))?;
+            .ok_or_else(|| format!("Missing block {} when computing the epoch", prev_hash))?;
         Ok(prev_block_header.inner.height)
     }
 
@@ -441,7 +440,7 @@ impl RuntimeAdapter for KeyValueRuntime {
         _gas_price: Balance,
         _state_root: StateRoot,
         transaction: SignedTransaction,
-    ) -> Result<ValidTransaction, InvalidTxErrorOrStorageError> {
+    ) -> Result<ValidTransaction, RuntimeError> {
         Ok(ValidTransaction { transaction })
     }
 

diff --git a/chain/chain/src/types.rs b/chain/chain/src/types.rs
@@ -4,7 +4,7 @@ use borsh::{BorshDeserialize, BorshSerialize};
 
 use near_crypto::{Signature, Signer};
 pub use near_primitives::block::{Block, BlockHeader, Weight};
-use near_primitives::errors::InvalidTxErrorOrStorageError;
+use near_primitives::errors::RuntimeError;
 use near_primitives::hash::{hash, CryptoHash};
 use near_primitives::merkle::{merklize, MerklePath};
 use near_primitives::receipt::Receipt;
@@ -141,7 +141,7 @@ pub trait RuntimeAdapter: Send + Sync {
         gas_price: Balance,
         state_root: StateRoot,
         transaction: SignedTransaction,
-    ) -> Result<ValidTransaction, InvalidTxErrorOrStorageError>;
+    ) -> Result<ValidTransaction, RuntimeError>;
 
     /// Filter transactions by verifying each one by one in the given order. Every successful
     /// verification stores the updated account balances to be used by next transactions.

diff --git a/chain/chunks/Cargo.toml b/chain/chunks/Cargo.toml
@@ -6,20 +6,15 @@ edition = "2018"
 
 [dependencies]
 actix = "0.8.1"
-typed-arena = "1.4.1"
 futures = "0.1.25"
 tokio = "0.1"
-rand = "0.6"
-rand_xorshift = "0.1"
+rand = "0.7"
 chrono = "0.4.6"
 log = "0.4"
-borsh = "0.2.2"
+borsh = "0.2.9"
 serde = "1.0"
 serde_derive = "1.0"
-elapsed = "0.1"
-protobuf = "2.4"
 reed-solomon-erasure = "3.1.1"
-crossbeam = "0.3.0"
 cached = "0.9.0"
 
 near-crypto = { path = "../../core/crypto" }

diff --git a/chain/client/Cargo.toml b/chain/client/Cargo.toml
@@ -5,13 +5,13 @@ authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2018"
 
 [dependencies]
-ansi_term = "0.11.0"
+ansi_term = "0.12"
 actix = "0.8.1"
 futures = "0.1"
 chrono = { version = "0.4.4", features = ["serde"] }
 kvdb = "0.1"
 log = "0.4"
-rand = "0.6.5"
+rand = "0.7"
 serde = { version = "1.0", features = ["derive"] }
 serde_derive = "1.0"
 serde_json = "1.0"