From 79e46026b593c2b3d6859788b0558036d4eeb03f Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 00:24:08 -0400
Subject: [PATCH 01/20] add gas esimation in seth mktx

---
 src/seth/libexec/seth/seth-mktx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index d5790b27e..63ffe75ac 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -18,7 +18,7 @@ args=(
   --nonce "${ETH_NONCE:-$(seth nonce "$ETH_FROM")}"
   --chain-id "$(seth chain-id)"
   --gas-price "${ETH_GAS_PRICE:-$(seth gas-price)}"
-  --gas-limit "${ETH_GAS:-200000}"
+  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM $data)}"
   --value "$value"
   --data "${data:-0x}"
 )

From a116e13dbe986de7e24b4d743ad2d5ff45dcee75 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 00:25:40 -0400
Subject: [PATCH 02/20] fix data arg

---
 src/seth/libexec/seth/seth-mktx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index 63ffe75ac..979afd9dc 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -18,7 +18,7 @@ args=(
   --nonce "${ETH_NONCE:-$(seth nonce "$ETH_FROM")}"
   --chain-id "$(seth chain-id)"
   --gas-price "${ETH_GAS_PRICE:-$(seth gas-price)}"
-  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM $data)}"
+  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM ${$data:-0x})}"
   --value "$value"
   --data "${data:-0x}"
 )

From e50c75af1dba5e39c16558a7968611596e19075c Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 00:27:11 -0400
Subject: [PATCH 03/20] refactor data arg

---
 src/seth/libexec/seth/seth-mktx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index 979afd9dc..d7ffffd2b 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -13,14 +13,16 @@ if [[ $2 ]]; then
   data=$(seth calldata "${@:2}")
 fi
 
+data=${data:-0x}
+
 args=(
   --from "$(seth --to-address "$ETH_FROM")"
   --nonce "${ETH_NONCE:-$(seth nonce "$ETH_FROM")}"
   --chain-id "$(seth chain-id)"
   --gas-price "${ETH_GAS_PRICE:-$(seth gas-price)}"
-  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM ${$data:-0x})}"
+  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM $data)}"
   --value "$value"
-  --data "${data:-0x}"
+  --data "$data"
 )
 
 if [[ $SETH_CREATE ]]; then

From 772259b3025bc992c53cb4856f62611de715de06 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 00:38:28 -0400
Subject: [PATCH 04/20] fix gas estimation when deploying

---
 src/seth/libexec/seth/seth-mktx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index d7ffffd2b..fd3cfb499 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -15,12 +15,20 @@ fi
 
 data=${data:-0x}
 
+if [[ -z "$ETH_GAS" ]]; then
+  if [[ $SETH_CREATE ]]; then
+    ETH_GAS=$(seth estimate --create $ETH_FROM $data)
+  else
+    ETH_GAS=$(seth estimate $ETH_FROM $data)
+  fi
+fi
+
 args=(
   --from "$(seth --to-address "$ETH_FROM")"
   --nonce "${ETH_NONCE:-$(seth nonce "$ETH_FROM")}"
   --chain-id "$(seth chain-id)"
   --gas-price "${ETH_GAS_PRICE:-$(seth gas-price)}"
-  --gas-limit "${ETH_GAS:-$(seth estimate $ETH_FROM $data)}"
+  --gas-limit "$ETH_GAS"
   --value "$value"
   --data "$data"
 )

From 7183940651d60576ecb78e88fa98ccc4709d161c Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 00:58:53 -0400
Subject: [PATCH 05/20] remove from in gas est for create

---
 src/seth/libexec/seth/seth-mktx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index fd3cfb499..3c04479c4 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -17,7 +17,7 @@ data=${data:-0x}
 
 if [[ -z "$ETH_GAS" ]]; then
   if [[ $SETH_CREATE ]]; then
-    ETH_GAS=$(seth estimate --create $ETH_FROM $data)
+    ETH_GAS=$(seth estimate --create $data)
   else
     ETH_GAS=$(seth estimate $ETH_FROM $data)
   fi

From f423aae6584e60997e30b9870a0e711a9a5799de Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:02:12 -0400
Subject: [PATCH 06/20] use raw rpc call for gas estimation

---
 src/seth/libexec/seth/seth-mktx | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index 3c04479c4..0d0fc6de3 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -16,11 +16,16 @@ fi
 data=${data:-0x}
 
 if [[ -z "$ETH_GAS" ]]; then
-  if [[ $SETH_CREATE ]]; then
-    ETH_GAS=$(seth estimate --create $data)
-  else
-    ETH_GAS=$(seth estimate $ETH_FROM $data)
-  fi
+  jshon+=(-n {})
+  [[ $TO ]] && jshon+=(-s "$TO" -i to)
+  jshon+=(-s "$DATA" -i data)
+  # shellcheck disable=SC2207
+  jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
+  jshon+=(-i append)
+  [[ $ETH_BLOCK = [0-9]* ]] && ETH_BLOCK=$(seth --to-hex "$ETH_BLOCK")
+  : "${ETH_BLOCK:=latest}" # geth doesn't like this argument
+  [[ $ETH_BLOCK = latest ]] || jshon+=(-s "$ETH_BLOCK" -i append)
+  ETH_GAS=$(seth rpc eth_estimateGas -- "${jshon[@]}")
 fi
 
 args=(

From c326a8ac206d5b3329a07ef0838bcda6ddf4ee6e Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:04:41 -0400
Subject: [PATCH 07/20] proper data var name

---
 src/seth/libexec/seth/seth-mktx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index 0d0fc6de3..cd8cf1548 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -18,7 +18,7 @@ data=${data:-0x}
 if [[ -z "$ETH_GAS" ]]; then
   jshon+=(-n {})
   [[ $TO ]] && jshon+=(-s "$TO" -i to)
-  jshon+=(-s "$DATA" -i data)
+  jshon+=(-s "$data" -i data)
   # shellcheck disable=SC2207
   jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
   jshon+=(-i append)

From 38a8828cc8416e3d7b06b46072d271c06b9d818f Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:09:36 -0400
Subject: [PATCH 08/20] unused blocknum logic

---
 src/seth/libexec/seth/seth-mktx | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index cd8cf1548..36512f199 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -22,9 +22,6 @@ if [[ -z "$ETH_GAS" ]]; then
   # shellcheck disable=SC2207
   jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
   jshon+=(-i append)
-  [[ $ETH_BLOCK = [0-9]* ]] && ETH_BLOCK=$(seth --to-hex "$ETH_BLOCK")
-  : "${ETH_BLOCK:=latest}" # geth doesn't like this argument
-  [[ $ETH_BLOCK = latest ]] || jshon+=(-s "$ETH_BLOCK" -i append)
   ETH_GAS=$(seth rpc eth_estimateGas -- "${jshon[@]}")
 fi
 

From 6dc76af339441909615b8b46d5f21fda383d8765 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:25:04 -0400
Subject: [PATCH 09/20] add TO parameter when estimating gas

---
 src/seth/libexec/seth/seth-mktx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index 36512f199..b04c067c1 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -15,6 +15,10 @@ fi
 
 data=${data:-0x}
 
+if [[ -z "$SETH_CREATE" ]]; then
+  TO=$(seth --to-address "$1")
+fi
+
 if [[ -z "$ETH_GAS" ]]; then
   jshon+=(-n {})
   [[ $TO ]] && jshon+=(-s "$TO" -i to)
@@ -38,7 +42,7 @@ args=(
 if [[ $SETH_CREATE ]]; then
   args+=(--create)
 else
-  args+=(--to "$(seth --to-address "$1")")
+  args+=(--to "$TO")
 fi
 
 if [[ $ETH_PRIO_FEE ]]; then

From 42235fbb20d34334905fa82e22f90224a4c69f55 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:34:26 -0400
Subject: [PATCH 10/20] update docs

---
 src/seth/CHANGELOG.md           | 1 +
 src/seth/README.md              | 4 ++--
 src/seth/libexec/seth/seth-mktx | 1 -
 src/seth/libexec/seth/seth-send | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/seth/CHANGELOG.md b/src/seth/CHANGELOG.md
index 4b2ea6403..566af725f 100644
--- a/src/seth/CHANGELOG.md
+++ b/src/seth/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `seth index` command returns the slot number for the specified mapping type and input data
 - `seth --from-fix` command converts fixed point numbers into parsed integers with the specified number of decimals
 - `seth run-tx` now fetches contract source from etherscan if `ETHERSCAN_API_KEY` is set
+- `seth mktx` now estimates gas limit eth `ETH_GAS` is not set
 
 ### Fixed
 
diff --git a/src/seth/README.md b/src/seth/README.md
index 2e52b1202..eb742c7e0 100644
--- a/src/seth/README.md
+++ b/src/seth/README.md
@@ -238,7 +238,7 @@ wei—the smallest possible amount of ether—to the [Ethereum
 Foundation's donation address]:
 
     $ seth send --value 1 0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359
-    seth-send: warning: `ETH_GAS' not set; using default gas amount
+    seth-send: warning: `ETH_GAS' not set; using estimated gas amount
     Ethereum account passphrase (not echoed):
     seth-send: Published transaction with 0 bytes of calldata.
     seth-send: 0xe428d4bb148ded426777ae892578507e4f394f608ad9d3a9d0229e8348ba72e3
@@ -829,7 +829,7 @@ Sign and publish a transaction to the blockchain.
 | ------------- | --------------- | ------------ | ---------------                   |
 | `--block`     | `ETH_BLOCK`     | `latest`     | block number                      |
 | `--from`      | `ETH_FROM`      | n/a          | sender                            |
-| `--gas`       | `ETH_GAS`       | `200000`     | gas quantity                      |
+| `--gas`       | `ETH_GAS`       | estimated    | gas quantity                      |
 | `--gas-price` | `ETH_GAS_PRICE` |              | gas price                         |
 | `--prio-fee`  | `ETH_PRIO_FEE`  |              | EIP-1559 priority fee (miner tip) |
 | `--value`     | `ETH_VALUE`     | `0`          | ether value                       |
diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index b04c067c1..ac508fba0 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -23,7 +23,6 @@ if [[ -z "$ETH_GAS" ]]; then
   jshon+=(-n {})
   [[ $TO ]] && jshon+=(-s "$TO" -i to)
   jshon+=(-s "$data" -i data)
-  # shellcheck disable=SC2207
   jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
   jshon+=(-i append)
   ETH_GAS=$(seth rpc eth_estimateGas -- "${jshon[@]}")
diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index f12300de7..7ce8dadf2 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -24,7 +24,7 @@ set -e
 [[ $ETH_FROM ]] ||
 seth --fail "${0##*/}: error: \`ETH_FROM' not set; send from which account?"
 [[ $ETH_GAS ]] ||
-echo >&2 "${0##*/}: warning: \`ETH_GAS' not set; using default gas amount"
+echo >&2 "${0##*/}: warning: \`ETH_GAS' not set; using estimated gas amount"
 if [[ $SETH_RESEND ]]; then
   nonce=$(seth nonce "$ETH_FROM")
   export ETH_NONCE=$nonce

From 9843e2c64e492865ee28b0879b85baf224f78d62 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 01:46:57 -0400
Subject: [PATCH 11/20] add back linter ignore

---
 src/seth/libexec/seth/seth-mktx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index ac508fba0..b04c067c1 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -23,6 +23,7 @@ if [[ -z "$ETH_GAS" ]]; then
   jshon+=(-n {})
   [[ $TO ]] && jshon+=(-s "$TO" -i to)
   jshon+=(-s "$data" -i data)
+  # shellcheck disable=SC2207
   jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
   jshon+=(-i append)
   ETH_GAS=$(seth rpc eth_estimateGas -- "${jshon[@]}")

From b8fa44cfd9829bacd6e85fb1b31d68aac9b30fcc Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 12:42:45 -0500
Subject: [PATCH 12/20] remove ETH_GAS unset warning in seth send

---
 src/seth/README.md              | 1 -
 src/seth/libexec/seth/seth-send | 2 --
 2 files changed, 3 deletions(-)

diff --git a/src/seth/README.md b/src/seth/README.md
index eb742c7e0..b087a6b1d 100644
--- a/src/seth/README.md
+++ b/src/seth/README.md
@@ -238,7 +238,6 @@ wei—the smallest possible amount of ether—to the [Ethereum
 Foundation's donation address]:
 
     $ seth send --value 1 0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359
-    seth-send: warning: `ETH_GAS' not set; using estimated gas amount
     Ethereum account passphrase (not echoed):
     seth-send: Published transaction with 0 bytes of calldata.
     seth-send: 0xe428d4bb148ded426777ae892578507e4f394f608ad9d3a9d0229e8348ba72e3
diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index 7ce8dadf2..ea1663b0f 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -23,8 +23,6 @@ set -e
 
 [[ $ETH_FROM ]] ||
 seth --fail "${0##*/}: error: \`ETH_FROM' not set; send from which account?"
-[[ $ETH_GAS ]] ||
-echo >&2 "${0##*/}: warning: \`ETH_GAS' not set; using estimated gas amount"
 if [[ $SETH_RESEND ]]; then
   nonce=$(seth nonce "$ETH_FROM")
   export ETH_NONCE=$nonce

From e68c6d83a5843b616459aeef0aaab26ee4c8271d Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 15:16:49 -0500
Subject: [PATCH 13/20] fix changelog

---
 src/seth/CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/CHANGELOG.md b/src/seth/CHANGELOG.md
index 566af725f..89da50228 100644
--- a/src/seth/CHANGELOG.md
+++ b/src/seth/CHANGELOG.md
@@ -15,7 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `seth index` command returns the slot number for the specified mapping type and input data
 - `seth --from-fix` command converts fixed point numbers into parsed integers with the specified number of decimals
 - `seth run-tx` now fetches contract source from etherscan if `ETHERSCAN_API_KEY` is set
-- `seth mktx` now estimates gas limit eth `ETH_GAS` is not set
+- `seth mktx` now estimates gas limit if `ETH_GAS` is not set
 
 ### Fixed
 

From 2ce9250a60f0ad603b29b3f62e7d9acfd2e8714d Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:21:21 -0500
Subject: [PATCH 14/20] add seth estimate-raw

---
 src/seth/libexec/seth/seth-estimate-raw | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/seth/libexec/seth/seth-estimate-raw

diff --git a/src/seth/libexec/seth/seth-estimate-raw b/src/seth/libexec/seth/seth-estimate-raw
new file mode 100644
index 000000000..8f5944616
--- /dev/null
+++ b/src/seth/libexec/seth/seth-estimate-raw
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -e
+
+jshon+=(-n {})
+[[ $TO ]] && jshon+=(-s "$TO" -i to)
+jshon+=(-s "$data" -i data)
+# shellcheck disable=SC2207
+jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
+jshon+=(-i append)
+
+seth rpc eth_estimateGas -- "${jshon[@]}"
\ No newline at end of file

From d06f6baef342255318d598a7967570b855026a1e Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:30:11 -0500
Subject: [PATCH 15/20] use seth estimate for mktx estimation

---
 src/seth/libexec/seth/seth-estimate     |  3 ++-
 src/seth/libexec/seth/seth-estimate-raw | 12 ------------
 src/seth/libexec/seth/seth-mktx         | 12 +++++-------
 3 files changed, 7 insertions(+), 20 deletions(-)
 delete mode 100644 src/seth/libexec/seth/seth-estimate-raw

diff --git a/src/seth/libexec/seth/seth-estimate b/src/seth/libexec/seth/seth-estimate
index 41864607e..26e03fd5e 100755
--- a/src/seth/libexec/seth/seth-estimate
+++ b/src/seth/libexec/seth/seth-estimate
@@ -4,6 +4,7 @@
 ###    or: seth estimate [<options>] <receiver> <data>
 ###    or: seth estimate [<options>] --create <code> <sig> [<args>]
 ###    or: seth estimate [<options>] --create <code> <data>
+###    or: seth estimate [<options>] --create <data>
 ###
 ### Perform a local call to <receiver> and return the gas usage.
 ###
@@ -15,7 +16,7 @@
 ### With `-F <sender>', simulate calling <receiver> from <sender>
 ### With `-V <value>', simulate transferring <value> to <receiver>.
 set -e
-[[ $2 ]] || seth --fail-usage "$0"
+[[ $1 ]] || seth --fail-usage "$0"
 
 if [[ $SETH_CREATE ]]; then
   DATA=$(seth --to-hexdata "$1")
diff --git a/src/seth/libexec/seth/seth-estimate-raw b/src/seth/libexec/seth/seth-estimate-raw
deleted file mode 100644
index 8f5944616..000000000
--- a/src/seth/libexec/seth/seth-estimate-raw
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-jshon+=(-n {})
-[[ $TO ]] && jshon+=(-s "$TO" -i to)
-jshon+=(-s "$data" -i data)
-# shellcheck disable=SC2207
-jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
-jshon+=(-i append)
-
-seth rpc eth_estimateGas -- "${jshon[@]}"
\ No newline at end of file
diff --git a/src/seth/libexec/seth/seth-mktx b/src/seth/libexec/seth/seth-mktx
index b04c067c1..b9a340fdd 100755
--- a/src/seth/libexec/seth/seth-mktx
+++ b/src/seth/libexec/seth/seth-mktx
@@ -20,13 +20,11 @@ if [[ -z "$SETH_CREATE" ]]; then
 fi
 
 if [[ -z "$ETH_GAS" ]]; then
-  jshon+=(-n {})
-  [[ $TO ]] && jshon+=(-s "$TO" -i to)
-  jshon+=(-s "$data" -i data)
-  # shellcheck disable=SC2207
-  jshon+=($(SETH_PARAMS_NO_GAS=1 seth --send-params))
-  jshon+=(-i append)
-  ETH_GAS=$(seth rpc eth_estimateGas -- "${jshon[@]}")
+  if [[ $SETH_CREATE ]]; then
+    ETH_GAS=$(seth estimate --create $data)
+  else
+    ETH_GAS=$(seth estimate $TO $data)
+  fi
 fi
 
 args=(

From 07483f9235794f16063403d1eb56a776086f96d1 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:41:06 -0500
Subject: [PATCH 16/20] add gas estimation for rpc sends

---
 src/seth/libexec/seth/seth-send | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index ea1663b0f..c677388d3 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -42,9 +42,18 @@ else
   fi
 fi
 
+if [[ -z "$ETH_GAS" ]]; then
+  if [[ $SETH_CREATE ]]; then
+    ETH_GAS=$(seth estimate --create $DATA)
+  else
+    ETH_GAS=$(seth estimate $TO $DATA)
+  fi
+fi
+
 jshon+=(-n {})
 [[ $TO ]] && jshon+=(-s "$TO" -i to)
 [[ $DATA ]] && jshon+=(-s "$DATA" -i data)
+[[ $ETH_GAS ]] && jshon+=(-s "$ETH_GAS" -i gas)
 # shellcheck disable=SC2207
 jshon+=($(seth --send-params))
 jshon+=(-i append)

From 8d5b6fe5db98c68aa0c2a78fbe95842a3b94d486 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:42:51 -0500
Subject: [PATCH 17/20] fix null data

---
 src/seth/libexec/seth/seth-send | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index c677388d3..19e34f291 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -44,7 +44,7 @@ fi
 
 if [[ -z "$ETH_GAS" ]]; then
   if [[ $SETH_CREATE ]]; then
-    ETH_GAS=$(seth estimate --create $DATA)
+    ETH_GAS=$(seth estimate --create ${$DATA:-0x})
   else
     ETH_GAS=$(seth estimate $TO $DATA)
   fi

From 5a7e024980056bbb4d7fde6e92ed489d17979c4b Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:46:41 -0500
Subject: [PATCH 18/20] fix null data

---
 src/seth/libexec/seth/seth-send | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index 19e34f291..95dcf45d3 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -44,7 +44,7 @@ fi
 
 if [[ -z "$ETH_GAS" ]]; then
   if [[ $SETH_CREATE ]]; then
-    ETH_GAS=$(seth estimate --create ${$DATA:-0x})
+    ETH_GAS=$(seth estimate --create ${DATA:-0x})
   else
     ETH_GAS=$(seth estimate $TO $DATA)
   fi

From 7c8b24ec440e6af35969fc625aefe751e107396f Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 19:48:29 -0500
Subject: [PATCH 19/20] fix null data

---
 src/seth/libexec/seth/seth-send | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/seth/libexec/seth/seth-send b/src/seth/libexec/seth/seth-send
index 95dcf45d3..3d72f1b5d 100755
--- a/src/seth/libexec/seth/seth-send
+++ b/src/seth/libexec/seth/seth-send
@@ -44,9 +44,9 @@ fi
 
 if [[ -z "$ETH_GAS" ]]; then
   if [[ $SETH_CREATE ]]; then
-    ETH_GAS=$(seth estimate --create ${DATA:-0x})
+    ETH_GAS=$(seth estimate --create $DATA)
   else
-    ETH_GAS=$(seth estimate $TO $DATA)
+    ETH_GAS=$(seth estimate $TO ${DATA:-0x})
   fi
 fi
 

From 5568fedf387a35fcf276693ca6f2d608fbc98388 Mon Sep 17 00:00:00 2001
From: ncitron <noah@jeff.org>
Date: Sun, 7 Nov 2021 20:05:54 -0500
Subject: [PATCH 20/20] update docs

---
 src/seth/CHANGELOG.md | 1 +
 src/seth/README.md    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/seth/CHANGELOG.md b/src/seth/CHANGELOG.md
index 89da50228..24aaa460a 100644
--- a/src/seth/CHANGELOG.md
+++ b/src/seth/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `seth --from-fix` command converts fixed point numbers into parsed integers with the specified number of decimals
 - `seth run-tx` now fetches contract source from etherscan if `ETHERSCAN_API_KEY` is set
 - `seth mktx` now estimates gas limit if `ETH_GAS` is not set
+- `seth send` now estimates gas limit if `ETH_GAS` is not set
 
 ### Fixed
 
diff --git a/src/seth/README.md b/src/seth/README.md
index b087a6b1d..0786eae9c 100644
--- a/src/seth/README.md
+++ b/src/seth/README.md
@@ -659,6 +659,7 @@ node's gas estimation.
     seth estimate [<options>] <to> <sig> [<args>]
     seth estimate [<options>] --create <code> <sig> [<args>]
     seth estimate [<options>] --create <code> <data>
+    seth estimate [<options>] --create <data>
 
 Options are similar to [`seth send`], but no transaction is published.