diff --git a/Cargo.lock b/Cargo.lock
index 33c13e61..a4d944bc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,32 +2,31 @@
 # It is not intended for manual editing.
 [[package]]
 name = "aes"
-version = "0.2.0"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aes-soft 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "aesni 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "block-cipher-trait 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aes-soft"
-version = "0.2.0"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-cipher-trait 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "opaque-debug 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aesni"
-version = "0.4.1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-cipher-trait 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "opaque-debug 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "stream-cipher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -76,7 +75,7 @@ dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -87,7 +86,7 @@ version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -101,24 +100,25 @@ dependencies = [
 
 [[package]]
 name = "bech32"
-version = "0.6.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bellman"
 version = "0.1.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
  "bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "blake2s_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -132,12 +132,22 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "blake2-rfc"
-version = "0.2.18"
-source = "git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc99ae483a0043db7547fb79a6fa44b88a9"
+name = "blake2b_simd"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "blake2s_simd"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -163,10 +173,10 @@ dependencies = [
 
 [[package]]
 name = "block-cipher-trait"
-version = "0.5.3"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -209,6 +219,15 @@ dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "c2-chacha"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.28"
@@ -240,7 +259,7 @@ dependencies = [
  "ascii 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -316,7 +335,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "crypto_api_chachapoly"
-version = "0.1.8"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crypto_api 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -343,7 +362,7 @@ name = "directories"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -382,20 +401,30 @@ name = "fake-simd"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ff"
 version = "0.4.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff_derive 0.3.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ff_derive 0.3.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ff_derive"
 version = "0.3.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
  "num-bigint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -407,10 +436,10 @@ dependencies = [
 
 [[package]]
 name = "fpe"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aes 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-bigint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -466,13 +495,24 @@ dependencies = [
  "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "group"
 version = "0.1.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xorshift 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -525,13 +565,13 @@ name = "iovec"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jni"
-version = "0.10.2"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cesu8 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -568,12 +608,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.48"
+version = "0.2.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libsqlite3-sys"
-version = "0.10.0"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -629,12 +669,8 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.1.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "memoffset"
@@ -651,7 +687,7 @@ dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -665,7 +701,7 @@ version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -686,7 +722,7 @@ version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -722,14 +758,9 @@ name = "num_cpus"
 version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "opaque-debug"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "opaque-debug"
 version = "0.2.2"
@@ -746,12 +777,12 @@ dependencies = [
 [[package]]
 name = "pairing"
 version = "0.14.2"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -768,7 +799,7 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -780,6 +811,11 @@ name = "pkg-config"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.27"
@@ -821,25 +857,13 @@ dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand"
 version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -851,6 +875,18 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.1.1"
@@ -860,6 +896,15 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "c2-chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -873,6 +918,14 @@ name = "rand_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.1.0"
@@ -881,6 +934,14 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_isaac"
 version = "0.1.1"
@@ -894,7 +955,7 @@ name = "rand_jitter"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -906,12 +967,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_os"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rand_pcg"
 version = "0.1.1"
@@ -929,6 +999,14 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_xorshift"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -944,12 +1022,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rusqlite"
-version = "0.15.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsqlite3-sys 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-streaming-iterator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsqlite3-sys 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -979,20 +1060,6 @@ dependencies = [
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "sapling-crypto"
-version = "0.0.1"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
-dependencies = [
- "bellman 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "scoped-tls"
 version = "0.1.2"
@@ -1062,12 +1129,9 @@ version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "stream-cipher"
-version = "0.1.1"
+name = "subtle"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "syn"
@@ -1105,7 +1169,7 @@ name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1324,7 +1388,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1340,7 +1404,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1365,7 +1429,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1396,6 +1460,11 @@ dependencies = [
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
@@ -1448,94 +1517,93 @@ version = "0.0.1"
 dependencies = [
  "android_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "grpc 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "jni 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jni 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log-panics 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_client_sqlite 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_proofs 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "zcash_client_sqlite 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "zcash_proofs 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
 ]
 
 [[package]]
 name = "zcash_client_backend"
 version = "0.0.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
- "bech32 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bech32 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf-codegen-pure 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "subtle 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
 ]
 
 [[package]]
 name = "zcash_client_sqlite"
 version = "0.0.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
- "bech32 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bech32 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
  "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rusqlite 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "rusqlite 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
 ]
 
 [[package]]
 name = "zcash_primitives"
 version = "0.0.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
- "aes 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)",
+ "aes 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "blake2b_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "blake2s_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crypto_api_chachapoly 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "fpe 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crypto_api_chachapoly 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "fpe 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "zcash_proofs"
 version = "0.0.0"
-source = "git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317#0134e6c26e4d26ec646f01032f6cb900910b9317"
+source = "git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34#1cbeac9d593d65938870797fb8dbafa352644d34"
 dependencies = [
- "bellman 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)",
+ "bellman 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "blake2b_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "directories 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
- "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)",
+ "ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
+ "rand_os 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)",
 ]
 
 [metadata]
-"checksum aes 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e6fb1737cdc8da3db76e90ca817a194249a38fcb500c2e6ecec39b29448aa873"
-"checksum aes-soft 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "67cc03b0a090a05cb01e96998a01905d7ceedce1bc23b756c0bb7faa0682ccb1"
-"checksum aesni 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6810b7fb9f2bb4f76f05ac1c170b8dde285b6308955dc3afd89710268c958d9e"
+"checksum aes 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "54eb1d8fe354e5fc611daf4f2ea97dd45a765f4f1e4512306ec183ae2e8f20c9"
+"checksum aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cfd7e7ae3f9a1fb5c03b389fc6bb9a51400d0c13053f0dca698c832bfd893a0d"
+"checksum aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f70a6b5f971e473091ab7cfb5ffac6cde81666c4556751d8d5620ead8abf100"
 "checksum android_log-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b8052e2d8aabbb8d556d6abbcce2a22b9590996c5f849b9c7ce4544a2e3b984e"
 "checksum android_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bad99185bc195e796e1591740c26716667b58ac9210a48731f71f803fc6ca43a"
 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
@@ -1545,20 +1613,22 @@ dependencies = [
 "checksum backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "b5b493b66e03090ebc4343eb02f94ff944e0cbc9ac6571491d170ba026741eb5"
 "checksum backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)" = "797c830ac25ccc92a7f8a7b9862bde440715531514594a6154e3d4a54dd769b6"
 "checksum base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
-"checksum bech32 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "58946044516aa9dc922182e0d6e9d124a31aafe6b421614654eb27cf90cec09c"
-"checksum bellman 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
+"checksum bech32 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e0089c35ab7c6f2bc55ab23f769913f0ac65b1023e7e74638a1f43128dd5df2"
+"checksum bellman 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
 "checksum bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "02b4ff8b16e6076c3e14220b39fbc1fabb6737522281a388998046859400895f"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
-"checksum blake2-rfc 0.2.18 (git+https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9)" = "<none>"
+"checksum blake2b_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bf775a81bb2d464e20ff170ac20316c7b08a43d11dbc72f0f82e8e8d3d6d0499"
+"checksum blake2s_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9753e94cdd99139f89745e552a2a86e21b247e2007cd1dcb2506dc540b6dd603"
 "checksum block-buffer 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a076c298b9ecdb530ed9d967e74a6027d6a7478924520acddcddc24c1c8ab3ab"
 "checksum block-buffer 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49665c62e0e700857531fa5d3763e91b539ff1abeebd56808d378b495870d60d"
-"checksum block-cipher-trait 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "370424437b9459f3dfd68428ed9376ddfe03d8b70ede29cc533b3557df186ab4"
+"checksum block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1c924d49bd09e7c06003acda26cd9742e796e34282ec6c1189404dee0c1f4774"
 "checksum block-padding 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d75255892aeb580d3c566f213a2b6fdc1c66667839f45719ee1d30ebf2aea591"
 "checksum bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0de79cfb98e7aa9988188784d8664b4b5dad6eaaa0863b91d9a4ed871d4f7a42"
 "checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
 "checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
+"checksum c2-chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7d64d04786e0f528460fc884753cf8dddcc466be308f6026f8e355c41a0e4101"
 "checksum cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a8b715cb4597106ea87c7c84b2f1d452c7492033765df7f32651e66fcf749"
 "checksum cesu8 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
@@ -1572,7 +1642,7 @@ dependencies = [
 "checksum crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "04c9e3102cc2d69cd681412141b390abd55a362afc1540965dad0ad4d34280b4"
 "checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
 "checksum crypto_api 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2f855e87e75a4799e18b8529178adcde6fd4f97c1449ff4821e747ff728bb102"
-"checksum crypto_api_chachapoly 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9ee35dbace0831b5fe7cb9b43eb029aa14a10f594a115025d4628a2baa63ab"
+"checksum crypto_api_chachapoly 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "95b2ad7cab08fd71addba81df5077c49df208effdfb3118a1519f9cdeac5aaf2"
 "checksum digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "03b072242a8cbaf9c145665af9d250c59af3b958f83ed6824e13533cf76d5b90"
 "checksum digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05f47366984d3ad862010e22c7ce81a7dbcaebbdfb37241a620f8b6596ee135c"
 "checksum directories 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "72d337a64190607d4fcca2cb78982c5dd57f4916e19696b48a575fa746b6cb0f"
@@ -1581,9 +1651,11 @@ dependencies = [
 "checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
 "checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-"checksum ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
-"checksum ff_derive 0.3.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
-"checksum fpe 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce3371c82bfbd984f624cab093f55e7336f5a6e589f8518e1258f54f011b89ad"
+"checksum fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
+"checksum fallible-streaming-iterator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+"checksum ff 0.4.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
+"checksum ff_derive 0.3.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
+"checksum fpe 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "21988a326139165b75e3196bc6962ca638e5fb0c95102fbf152a3743174b01e4"
 "checksum fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "81f7f8eb465745ea9b02e2704612a9946a59fa40572086c6fd49d6ddcf30bf31"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
@@ -1591,25 +1663,26 @@ dependencies = [
 "checksum futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
 "checksum generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c0f28c2f5bfb5960175af447a2da7c18900693738343dc896ffbcabd9839592"
 "checksum generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ef25c5683767570c2bbd7deba372926a55eaae9982d7726ee2a1050239d45b9d"
-"checksum group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
+"checksum getrandom 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "fc344b02d3868feb131e8b5fe2b9b0a1cc42942679af493061fc13b853243872"
+"checksum group 0.1.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
 "checksum grpc 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8e530ef7894a104a1c8525ce68787b3491efa2098ce5e5454e8324ea78893548"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
 "checksum httpbis 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7689cfa896b2a71da4f16206af167542b75d242b6906313e53857972a92d5614"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
-"checksum jni 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1ecfa3b81afc64d9a6539c4eece96ac9a93c551c713a313800dade8e33d7b5c1"
+"checksum jni 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e00f1fd30a82a801f8bf38bcb0895088a0013cde111acb713c0824edc372aa4"
 "checksum jni-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
 "checksum lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
-"checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
-"checksum libsqlite3-sys 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "742b695cbfb89e549dca6960a55e6802f67d352e33e97859ee46dee835211b0f"
+"checksum libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)" = "34fcd2c08d2f832f376f4173a231990fa5aef4e99fb569867318a227ef4c06ba"
+"checksum libsqlite3-sys 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5e5b95e89c330291768dc840238db7f9e204fd208511ab6319b56193a7f2ae25"
 "checksum linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7860ec297f7008ff7a1e3382d7f7e1dcd69efc94751a2284bafc3d013c2aa939"
 "checksum lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum log-panics 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ae0136257df209261daa18d6c16394757c63e032e27aafd8b07788b051082bef"
 "checksum lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d06ff7ff06f729ce5f4e227876cb88d10bc59cd4ae1e09fbb2bde15c850dc21"
-"checksum memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1dd4eaac298c32ce07eb6ed9242eda7d82955b9170b7d6db59b2e02cc63fcb8"
+"checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)" = "71646331f2619b1026cc302f87a2b8b648d5c6dd6937846a16cc8ce0f347f432"
 "checksum mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
@@ -1620,37 +1693,41 @@ dependencies = [
 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
 "checksum num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a69d464bdc213aaaff628444e99578ede64e9c854025aa43b9796530afa9238"
-"checksum opaque-debug 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d620c9c26834b34f039489ac0dfdb12c7ac15ccaf818350a64c9b5334a452ad7"
 "checksum opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "93f5bb2e8e8dec81642920ccff6b61f1eb94fa3020c5a325c9851ff604152409"
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
-"checksum pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
+"checksum pairing 0.14.2 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
 "checksum parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
 "checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
 "checksum pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
+"checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
 "checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
 "checksum protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d82d117bc7565ce6be0150159251c9b1eeec7b129f5a2aa86e10acb5970de1cb"
 "checksum protobuf-codegen 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5f25bf531a031dd128d4e7285401caed1038d4f732b56bb1d99f02bdad4ad125"
 "checksum protobuf-codegen-pure 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "54f908fafe335c1e04c0ba4ea4e0c3ca63fcf1a5dec97db98acc95521e7fc44d"
 "checksum quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "cdd8e04bd9c52e0342b406469d494fcb033be4bdbe5c606016defbb1681411e1"
-"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
 "checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
+"checksum rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d47eab0e83d9693d40f825f86948aa16eff6750ead4bdffc4ab95b8b3a7f052c"
 "checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+"checksum rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
+"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 "checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+"checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 "checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
 "checksum rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b9ea758282efe12823e0d952ddb269d2e1897227e464919a554f2a03ef1b832"
 "checksum rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b7c690732391ae0abafced5015ffb53656abfaec61b342290e5eb56b286a679d"
+"checksum rand_os 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a788ae3edb696cfcba1c19bfd388cc4b8c21f8a408432b199c072825084da58a"
 "checksum rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "086bd09a33c7044e56bb44d5bdde5a60e7f119a9e95b0775f545de759a32fe05"
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+"checksum rand_xorshift 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "77d416b86801d23dde1aa643023b775c3a462efc0ed96443add11546cdf1dca8"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)" = "423e376fffca3dfa06c9e9790a9ccd282fafb3cc6e6397d01dbf64f9bacc6b85"
-"checksum rusqlite 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "39bae767eb27866f5c0be918635ae54af705bc09db11be2c43a3c6b361cf3462"
+"checksum rusqlite 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2a194373ef527035645a1bc21b10dc2125f73497e6e155771233eb187aedd051"
 "checksum rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "adacaae16d02b6ec37fdc7acfcddf365978de76d1983d3ee22afc260e1ca9619"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
 "checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
-"checksum sapling-crypto 0.0.1 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
 "checksum scoped-tls 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "332ffa32bf586782a3efaeb58f127980944bbc8c4d6913a86107ac2a5ab24b28"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
@@ -1661,7 +1738,7 @@ dependencies = [
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "88aea073965ab29f6edb5493faf96ad662fb18aa9eeb186a3b7057951605ed15"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-"checksum stream-cipher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "30dc6118470d69ce0fdcf7e6f95e95853f7f4f72f80d835d4519577c323814ab"
+"checksum subtle 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "01f40907d9ffc762709e4ff3eb4a6f6b41b650375a3f09ac92b641942b7fb082"
 "checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
 "checksum syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)" = "f92e629aa1d9c827b2bb8297046c1ccffc57c99b947a680d3ccff1f136a3bee9"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
@@ -1692,6 +1769,7 @@ dependencies = [
 "checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
+"checksum wasi 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fd5442abcac6525a045cc8c795aedb60da7a2e5e89c7bf18a0d5357849bb23c7"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
@@ -1699,7 +1777,7 @@ dependencies = [
 "checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-"checksum zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
-"checksum zcash_client_sqlite 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
-"checksum zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
-"checksum zcash_proofs 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=0134e6c26e4d26ec646f01032f6cb900910b9317)" = "<none>"
+"checksum zcash_client_backend 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
+"checksum zcash_client_sqlite 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
+"checksum zcash_primitives 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
+"checksum zcash_proofs 0.0.0 (git+https://github.com/str4d/librustzcash.git?rev=1cbeac9d593d65938870797fb8dbafa352644d34)" = "<none>"
diff --git a/Cargo.toml b/Cargo.toml
index eabe3712..6b083912 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,38 +15,34 @@ failure = "0.1"
 futures = { version = "0.1", optional = true }
 grpc = { version = "0.6", optional = true }
 hex = "0.3"
-jni = { version = "0.10", default-features = false }
+jni = { version = "0.13", default-features = false }
 log = "0.4"
 log-panics = "2.0.0"
 protobuf = { version = "2", optional = true }
 
 [dependencies.ff]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [dependencies.pairing]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
-
-[dependencies.sapling-crypto]
-git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [dependencies.zcash_client_backend]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [dependencies.zcash_client_sqlite]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [dependencies.zcash_primitives]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [dependencies.zcash_proofs]
 git = "https://github.com/str4d/librustzcash.git"
-rev = "0134e6c26e4d26ec646f01032f6cb900910b9317"
+rev = "1cbeac9d593d65938870797fb8dbafa352644d34"
 
 [features]
 mainnet = ["zcash_client_sqlite/mainnet"]
diff --git a/src/main/rust/lib.rs b/src/main/rust/lib.rs
index f570f703..a3f40f40 100644
--- a/src/main/rust/lib.rs
+++ b/src/main/rust/lib.rs
@@ -22,9 +22,14 @@ use zcash_client_backend::{
 use zcash_client_sqlite::{
     address::RecipientAddress,
     chain::{rewind_to_height, validate_combined_chain},
-    get_address, get_balance, get_received_memo_as_utf8, get_sent_memo_as_utf8,
-    get_verified_balance, init_accounts_table, init_blocks_table, init_data_database,
-    scan_cached_blocks, send_to_address, ErrorKind,
+    error::ErrorKind,
+    init::{init_accounts_table, init_blocks_table, init_data_database},
+    query::{
+        get_address, get_balance, get_received_memo_as_utf8, get_sent_memo_as_utf8,
+        get_verified_balance,
+    },
+    scan::scan_cached_blocks,
+    transact::create_to_address,
 };
 use zcash_primitives::{
     block::BlockHash, note_encryption::Memo, transaction::components::Amount,
@@ -187,10 +192,8 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_isValidShieldedA
             Some(addr) => match addr {
                 RecipientAddress::Shielded(_) => Ok(JNI_TRUE),
                 RecipientAddress::Transparent(_) => Ok(JNI_FALSE),
-            }
-            None => {
-                Err(format_err!("Address is for the wrong network"))
-            }
+            },
+            None => Err(format_err!("Address is for the wrong network")),
         }
     });
     unwrap_exc_or(&env, res, JNI_FALSE)
@@ -209,10 +212,8 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_isValidTranspare
             Some(addr) => match addr {
                 RecipientAddress::Shielded(_) => Ok(JNI_FALSE),
                 RecipientAddress::Transparent(_) => Ok(JNI_TRUE),
-            }
-            None => {
-                Err(format_err!("Address is for the wrong network"))
-            }
+            },
+            None => Err(format_err!("Address is for the wrong network")),
         }
     });
     unwrap_exc_or(&env, res, JNI_FALSE)
@@ -234,7 +235,7 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_getBalance(
         };
 
         match get_balance(&db_data, account) {
-            Ok(balance) => Ok(balance.0),
+            Ok(balance) => Ok(balance.into()),
             Err(e) => Err(format_err!("Error while fetching balance: {}", e)),
         }
     });
@@ -257,7 +258,7 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_getVerifiedBalan
         };
 
         match get_verified_balance(&db_data, account) {
-            Ok(balance) => Ok(balance.0),
+            Ok(balance) => Ok(balance.into()),
             Err(e) => Err(format_err!("Error while fetching verified balance: {}", e)),
         }
     });
@@ -393,7 +394,8 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_sendToAddress(
         };
         let extsk = utils::java_string_to_rust(&env, extsk);
         let to = utils::java_string_to_rust(&env, to);
-        let value = Amount(value);
+        let value =
+            Amount::from_nonnegative_i64(value).map_err(|()| format_err!("Invalid amount"))?;
         let memo = utils::java_string_to_rust(&env, memo);
         let spend_params = utils::java_string_to_rust(&env, spend_params);
         let output_params = utils::java_string_to_rust(&env, output_params);
@@ -419,7 +421,7 @@ pub unsafe extern "C" fn Java_cash_z_wallet_sdk_jni_RustBackend_sendToAddress(
 
         let prover = LocalTxProver::new(Path::new(&spend_params), Path::new(&output_params));
 
-        send_to_address(
+        create_to_address(
             &db_data,
             SAPLING_CONSENSUS_BRANCH_ID,
             prover,